diff --git a/core/CHANGELOG.txt b/core/CHANGELOG.txt
index 1d11985..04253cd 100644
--- a/core/CHANGELOG.txt
+++ b/core/CHANGELOG.txt
@@ -128,8 +128,8 @@ Drupal 7.0, 2011-01-05
       order can now be customized using the Views module.
     * Removed the 'related terms' feature from taxonomy module since this can
       now be achieved with Field API.
-    * Added additional features to the default install profile, and implemented
-      a "slimmed down" install profile designed for developers.
+    * Added additional features to the default installation profile, and
+      implemented a "slimmed down" profile designed for developers.
     * Added a built-in, automated cron run feature, which is triggered by site
       visitors.
     * Added an administrator role which is assigned all permissions for
@@ -321,7 +321,7 @@ Drupal 6.0, 2008-02-13
    * Expands the severity levels from 3 (Error, Warning, Notice) to the 8
      levels defined in RFC 3164.
    * The watchdog module is now called dblog, and is optional, but enabled by
-     default in the default install profile.
+     default in the default installation profile.
    * Extended the database log module so log messages can be filtered.
    * Added syslog module: useful for monitoring large Drupal installations.
 - Added optional e-mail notifications when users are approved, blocked, or
@@ -466,7 +466,7 @@ Drupal 5.0, 2007-01-15
 - Added web-based installer which can:
     * Check installation and run-time requirements
     * Automatically generate the database configuration file
-    * Install pre-made 'install profiles' or distributions
+    * Install pre-made installation profiles or distributions
     * Import the database structure with automatic table prefixing
     * Be localized
 - Added new default Garland theme
diff --git a/core/includes/common.inc b/core/includes/common.inc
index 6879def..222f551 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -229,7 +229,7 @@ function drupal_get_region_content($region = NULL, $delimiter = ' ') {
 }
 
 /**
- * Gets the name of the currently active install profile.
+ * Gets the name of the currently active installation profile.
  *
  * When this function is called during Drupal's initial installation process,
  * the name of the profile that's about to be installed is stored in the global
@@ -238,7 +238,7 @@ function drupal_get_region_content($region = NULL, $delimiter = ' ') {
  * variable_get() to determine what one is active.
  *
  * @return $profile
- *   The name of the install profile.
+ *   The name of the installation profile.
  */
 function drupal_get_profile() {
   global $install_state;
@@ -5100,7 +5100,7 @@ function drupal_cron_cleanup() {
  * drupal_system_listing("/\.module$/", "modules", 'name', 0);
  * @endcode
  * this function will search the site-wide modules directory (i.e., /modules/),
- * your install profile's directory (i.e.,
+ * your installation profile's directory (i.e.,
  * /profiles/your_site_profile/modules/), the all-sites directory (i.e.,
  * /modules/), and your site-specific directory (i.e.,
  * /sites/your_site_dir/modules/), in that order, and return information about
diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 17e2a66..8227520 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -624,7 +624,7 @@ function install_tasks($install_state) {
   $needs_translations = count($install_state['translations']) > 1 && !empty($install_state['parameters']['langcode']) && $install_state['parameters']['langcode'] != 'en';
 
   // Start with the core installation tasks that run before handing control
-  // to the install profile.
+  // to the installation profile.
   $tasks = array(
     'install_select_language' => array(
       'display_name' => st('Choose language'),
@@ -655,7 +655,7 @@ function install_tasks($install_state) {
       'run' => INSTALL_TASK_RUN_IF_REACHED,
     ),
     'install_profile_modules' => array(
-      'display_name' => count($install_state['profiles']) == 1 ? st('Install site') : st('Install profile'),
+      'display_name' => count($install_state['profiles']) == 1 ? st('Install site') : st('Installation profile'),
       'type' => 'batch',
     ),
     'install_import_translations' => array(
@@ -905,7 +905,7 @@ function install_base_system(&$install_state) {
   // variable_set() can be used now that system.module is installed.
   $modules = $install_state['profile_info']['dependencies'];
 
-  // The install profile is also a module, which needs to be installed
+  // The installation profile is also a module, which needs to be installed
   // after all the dependencies have been installed.
   $modules[] = drupal_get_profile();
 
@@ -1658,7 +1658,7 @@ function install_finished(&$install_state) {
   // Remember the profile which was used.
   variable_set('install_profile', drupal_get_profile());
 
-  // Install profiles are always loaded last.
+  // Installation profiles are always loaded last.
   db_update('system')
     ->fields(array('weight' => 1000))
     ->condition('type', 'module')
@@ -1667,7 +1667,7 @@ function install_finished(&$install_state) {
 
   // Flush all caches to ensure that any full bootstraps during the installer
   // do not leave stale cached data, and that any content types or other items
-  // registered by the install profile are registered correctly.
+  // registered by the installation profile are registered correctly.
   drupal_flush_all_caches();
 
   drupal_set_title(st('@drupal installation complete', array('@drupal' => drupal_install_profile_distribution_name())), PASS_THROUGH);
diff --git a/core/includes/install.inc b/core/includes/install.inc
index efba3c1..25d2dd8 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -90,11 +90,11 @@ function drupal_load_updates() {
 }
 
 /**
- * Loads the install profile, extracting its defined distribution name.
+ * Loads the installation profile, extracting its defined distribution name.
  *
  * @return
  *   The distribution name defined in the profile's .info file. Defaults to
- *   "Drupal" if none is explicitly provided by the install profile.
+ *   "Drupal" if none is explicitly provided by the installation profile.
  *
  * @see install_profile_info()
  */
@@ -356,7 +356,7 @@ function install_ensure_config_directory($type) {
 }
 
 /**
- * Verifies an install profile for installation.
+ * Verifies that all dependencies are met for a given installation profile.
  *
  * @param $install_state
  *   An array of information about the current installation state.
@@ -382,8 +382,8 @@ function drupal_verify_profile($install_state) {
     $present_modules[] = $present_module->name;
   }
 
-  // The install profile is also a module, which needs to be installed after all the other dependencies
-  // have been installed.
+  // The installation profile is also a module, which needs to be installed
+  // after all the other dependencies have been installed.
   $present_modules[] = drupal_get_profile();
 
   // Verify that all of the profile's required modules are present.
@@ -788,15 +788,15 @@ function st($string, array $args = array(), array $options = array()) {
 }
 
 /**
- * Checks an install profile's requirements.
+ * Checks an installation profile's requirements.
  *
  * @param string $profile
- *   Name of install profile to check.
+ *   Name of installation profile to check.
  * @param array $install_state
  *   The current state in the install process.
  *
  * @return array
- *   Array of the install profile's requirements.
+ *   Array of the installation profile's requirements.
  */
 function drupal_check_profile($profile, array $install_state) {
   include_once DRUPAL_ROOT . '/core/includes/file.inc';
@@ -873,11 +873,11 @@ function drupal_check_module($module) {
 }
 
 /**
- * Retrieves information about an install profile from its .info file.
+ * Retrieves information about an installation profile from its .info file.
  *
  * The information stored in a profile .info file is similar to that stored in
  * a normal Drupal module .info file. For example:
- * - name: The real name of the install profile for display purposes.
+ * - name: The real name of the installation profile for display purposes.
  * - description: A brief description of the profile.
  * - dependencies: An array of shortnames of other modules that this install
  *   profile requires.
diff --git a/core/includes/module.inc b/core/includes/module.inc
index c202b8e..5944543 100644
--- a/core/includes/module.inc
+++ b/core/includes/module.inc
@@ -946,7 +946,7 @@ function drupal_required_modules() {
   $files = drupal_system_listing('/^' . DRUPAL_PHP_FUNCTION_PATTERN . '\.info$/', 'modules', 'name', 0);
   $required = array();
 
-  // An install profile is required and one must always be loaded.
+  // An installation profile is required and one must always be loaded.
   $required[] = drupal_get_profile();
 
   foreach ($files as $name => $file) {
diff --git a/core/modules/comment/lib/Drupal/comment/Tests/CommentFieldsTest.php b/core/modules/comment/lib/Drupal/comment/Tests/CommentFieldsTest.php
index d1d2f2c..43f9cc3 100644
--- a/core/modules/comment/lib/Drupal/comment/Tests/CommentFieldsTest.php
+++ b/core/modules/comment/lib/Drupal/comment/Tests/CommentFieldsTest.php
@@ -24,7 +24,7 @@ class CommentFieldsTest extends CommentTestBase {
    */
   function testCommentDefaultFields() {
     // Do not make assumptions on default node types created by the test
-    // install profile, and create our own.
+    // installation profile, and create our own.
     $this->drupalCreateContentType(array('type' => 'test_node_type'));
 
     // Check that the 'comment_body' field is present on all comment bundles.
diff --git a/core/modules/field/lib/Drupal/field/Tests/FieldInfoTest.php b/core/modules/field/lib/Drupal/field/Tests/FieldInfoTest.php
index a55ab14..b9c63c2 100644
--- a/core/modules/field/lib/Drupal/field/Tests/FieldInfoTest.php
+++ b/core/modules/field/lib/Drupal/field/Tests/FieldInfoTest.php
@@ -238,7 +238,7 @@ class FieldInfoTest extends FieldTestBase {
    * Test field_info_field_map().
    */
   function testFieldMap() {
-    // We will overlook fields created by the 'standard' install profile.
+    // We will overlook fields created by the 'standard' installation profile.
     $exclude = field_info_field_map();
 
     // Create a new bundle for 'test_entity' entity type.
diff --git a/core/modules/overlay/overlay.install b/core/modules/overlay/overlay.install
index 2fa7c84..8939e2a 100644
--- a/core/modules/overlay/overlay.install
+++ b/core/modules/overlay/overlay.install
@@ -9,7 +9,7 @@
  * Implements hook_enable().
  *
  * If the module is being enabled through the admin UI, and not from an
- * install profile, reopen the modules page in an overlay.
+ * installation profile, reopen the modules page in an overlay.
  */
 function overlay_enable() {
   if (strpos(current_path(), 'admin/modules') === 0) {
diff --git a/core/modules/system/lib/Drupal/system/Tests/Bootstrap/GetFilenameUnitTest.php b/core/modules/system/lib/Drupal/system/Tests/Bootstrap/GetFilenameUnitTest.php
index 82bdfc4..3cc05b2 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Bootstrap/GetFilenameUnitTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Bootstrap/GetFilenameUnitTest.php
@@ -41,7 +41,7 @@ class GetFilenameUnitTest extends UnitTestBase {
 
     // Retrieving the location of a profile. Profiles are a special case with
     // a fixed location and naming.
-    $this->assertIdentical(drupal_get_filename('profile', 'standard'), 'core/profiles/standard/standard.profile', 'Retrieve install profile location.');
+    $this->assertIdentical(drupal_get_filename('profile', 'standard'), 'core/profiles/standard/standard.profile', 'Retrieve installation profile location.');
 
     // When a file is not found in the database cache, drupal_get_filename()
     // searches several locations on the filesystem, including the core/
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
index 75070a9..3a54336 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
@@ -32,7 +32,7 @@ class ModuleApiTest extends WebTestBase {
     $profile_info = install_profile_info('standard', 'en');
     $module_list = $profile_info['dependencies'];
 
-    // Install profile is a module that is expected to be loaded.
+    // Installation profile is a module that is expected to be loaded.
     $module_list[] = 'standard';
 
     sort($module_list);
@@ -189,12 +189,12 @@ class ModuleApiTest extends WebTestBase {
     $this->assertFalse(module_exists('php'), 'Disabling a module with unlisted dependents succeeded.');
     $this->assertEqual(variable_get('test_module_disable_order', array()), array('forum', 'poll', 'php'), 'Modules were disabled in the correct order by module_disable().');
 
-    // Disable a module that is listed as a dependency by the install profile.
-    // Make sure that the profile itself is not on the list of dependent
-    // modules to be disabled.
+    // Disable a module that is listed as a dependency by the installation
+    // profile. Make sure that the profile itself is not on the list of
+    // dependent modules to be disabled.
     $profile = drupal_get_profile();
     $info = install_profile_info($profile);
-    $this->assertTrue(in_array('comment', $info['dependencies']), 'Comment module is listed as a dependency of the install profile.');
+    $this->assertTrue(in_array('comment', $info['dependencies']), 'Comment module is listed as a dependency of the installation profile.');
     $this->assertTrue(module_exists('comment'), 'Comment module is enabled.');
     module_disable(array('comment'));
     $this->assertFalse(module_exists('comment'), 'Comment module was disabled.');
diff --git a/core/modules/system/system.admin.inc b/core/modules/system/system.admin.inc
index 429e990..4f5077b 100644
--- a/core/modules/system/system.admin.inc
+++ b/core/modules/system/system.admin.inc
@@ -814,7 +814,7 @@ function system_modules($form, $form_state = array()) {
   // Used when checking if module implements a help page.
   $help_arg = module_exists('help') ? drupal_help_arg() : FALSE;
 
-  // Used when displaying modules that are required by the install profile.
+  // Used when displaying modules that are required by the installation profile.
   require_once DRUPAL_ROOT . '/core/includes/install.inc';
   $distribution_name = check_plain(drupal_install_profile_distribution_name());
 
@@ -1274,8 +1274,8 @@ function system_modules_uninstall($form, $form_state = NULL) {
         '#title_display' => 'invisible',
       );
       // All modules which depend on this one must be uninstalled first, before
-      // we can allow this module to be uninstalled. (The install profile is
-      // excluded from this list.)
+      // we can allow this module to be uninstalled. (The installation profile
+      // is excluded from this list.)
       foreach (array_keys($module->required_by) as $dependent) {
         if ($dependent != $profile && drupal_get_installed_schema_version($dependent) != SCHEMA_UNINSTALLED) {
           $dependent_name = isset($all_modules[$dependent]->info['name']) ? $all_modules[$dependent]->info['name'] : $dependent;
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 05459d0..edd7303 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -30,13 +30,13 @@ function system_requirements($phase) {
       'weight' => -10,
     );
 
-    // Display the currently active install profile, if the site
-    // is not running the default install profile.
+    // Display the currently active installation profile, if the site
+    // is not running the default installation profile.
     $profile = drupal_get_profile();
     if ($profile != 'standard') {
       $info = system_get_info('module', $profile);
       $requirements['install_profile'] = array(
-        'title' => $t('Install profile'),
+        'title' => $t('Installation profile'),
         'value' => $t('%profile_name (%profile-%version)', array(
           '%profile_name' => $info['name'],
           '%profile' => $profile,
@@ -436,7 +436,7 @@ function system_requirements($phase) {
     $profile = drupal_get_profile();
     $files = system_rebuild_module_data();
     foreach ($files as $module => $file) {
-      // Ignore disabled modules and install profiles.
+      // Ignore disabled modules and installation profiles.
       if (!$file->status || $module == $profile) {
         continue;
       }
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 6baa387..259a919 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2812,11 +2812,11 @@ function _system_rebuild_module_data() {
   // Find installation profiles.
   $profiles = drupal_system_listing('/^' . DRUPAL_PHP_FUNCTION_PATTERN . '\.profile$/', 'profiles', 'name', 0);
 
-  // Include the install profile in modules that are loaded.
+  // Include the installation profile in modules that are loaded.
   $profile = drupal_get_profile();
   $modules[$profile] = $profiles[$profile];
 
-  // Install profile hooks are always executed last.
+  // Installation profile hooks are always executed last.
   $modules[$profile]->weight = 1000;
 
   // Set defaults for module info.
@@ -2861,7 +2861,7 @@ function _system_rebuild_module_data() {
       $module->info['scripts'] = _system_info_add_path($module->info['scripts'], $path);
     }
 
-    // Install profiles are hidden by default, unless explicitly specified
+    // Installation profiles are hidden by default, unless explicitly specified
     // otherwise in the .info file.
     if ($key == $profile && !isset($modules[$key]->info['hidden'])) {
       $modules[$key]->info['hidden'] = TRUE;
@@ -2874,7 +2874,7 @@ function _system_rebuild_module_data() {
   }
 
   if (isset($modules[$profile])) {
-    // The install profile is required, if it's a valid module.
+    // The installation profile is required, if it's a valid module.
     $modules[$profile]->info['required'] = TRUE;
     // Add a default distribution name if the profile did not provide one. This
     // matches the default value used in install_profile_info().
diff --git a/core/profiles/minimal/minimal.install b/core/profiles/minimal/minimal.install
index f0ac56a..6c8ec84 100644
--- a/core/profiles/minimal/minimal.install
+++ b/core/profiles/minimal/minimal.install
@@ -1,7 +1,7 @@
 <?php
 /**
  * @file
- * Install, update and uninstall functions for the minimal install profile.
+ * Install, update and uninstall functions for the minimal installation profile.
  */
 
 /**
diff --git a/core/profiles/standard/standard.install b/core/profiles/standard/standard.install
index 5b74b51..4eeb8d6 100644
--- a/core/profiles/standard/standard.install
+++ b/core/profiles/standard/standard.install
@@ -1,7 +1,7 @@
 <?php
 /**
  * @file
- * Install, update and uninstall functions for the standard install profile.
+ * Install, update and uninstall functions for the standard installation profile.
  */
 
 /**