diff --git a/core/includes/module.inc b/core/includes/module.inc
index 0b357a1..1481685 100644
--- a/core/includes/module.inc
+++ b/core/includes/module.inc
@@ -8,7 +8,7 @@
 use Drupal\Component\Graph\Graph;
 
 /**
- * Load all the modules that have been enabled in the system table.
+ * Loads all the modules that have been enabled in the system table.
  *
  * @param $bootstrap
  *   Whether to load only the reduced set of modules loaded in "bootstrap mode"
@@ -104,7 +104,7 @@ function module_list($refresh = FALSE, $bootstrap_refresh = FALSE, $sort = FALSE
 }
 
 /**
- * Build a list of bootstrap modules and enabled modules and themes.
+ * Builds a list of bootstrap modules and enabled modules and themes.
  *
  * @param $type
  *   The type of list to return:
@@ -219,7 +219,7 @@ function system_list($type) {
 }
 
 /**
- * Reset all system_list() caches.
+ * Resets all system_list() caches.
  */
 function system_list_reset() {
   drupal_static_reset('system_list');
@@ -229,7 +229,7 @@ function system_list_reset() {
 }
 
 /**
- * Find dependencies any level deep and fill in required by information too.
+ * Determines which modules require and are required by each module.
  *
  * @param $files
  *   The array of filesystem objects used to rebuild the cache.
@@ -262,7 +262,7 @@ function _module_build_dependencies($files) {
 }
 
 /**
- * Determine whether a given module exists.
+ * Determines whether a given module exists.
  *
  * @param $module
  *   The name of the module (without the .module extension).
@@ -276,7 +276,7 @@ function module_exists($module) {
 }
 
 /**
- * Load a module's installation hooks.
+ * Loads a module's installation hooks.
  *
  * @param $module
  *   The name of the module (without the .module extension).
@@ -292,7 +292,7 @@ function module_load_install($module) {
 }
 
 /**
- * Load a module include file.
+ * Loads a module include file.
  *
  * Examples:
  * @code
@@ -334,8 +334,7 @@ function module_load_include($type, $module, $name = NULL) {
 }
 
 /**
- * Load an include file for each of the modules that have been enabled in
- * the system table.
+ * Loads an include file for each module enabled in the {system} table.
  */
 function module_load_all_includes($type, $name = NULL) {
   $modules = module_list();
@@ -508,7 +507,7 @@ function module_enable($module_list, $enable_dependencies = TRUE) {
 }
 
 /**
- * Disable a given set of modules.
+ * Disables a given set of modules.
  *
  * @param $module_list
  *   An array of module names.
@@ -605,7 +604,7 @@ function module_disable($module_list, $disable_dependents = TRUE) {
  */
 
 /**
- * Determine whether a module implements a hook.
+ * Determines whether a module implements a hook.
  *
  * @param $module
  *   The name of the module (without the .module extension).
@@ -634,13 +633,13 @@ function module_hook($module, $hook) {
 }
 
 /**
- * Determine which modules are implementing a hook.
+ * Determines which modules are implementing a hook.
  *
  * @param $hook
  *   The name of the hook (e.g. "help" or "menu").
  * @param $sort
- *   By default, modules are ordered by weight and filename, settings this option
- *   to TRUE, module list will be ordered by module name.
+ *   By default, modules are ordered by weight and filename. If this option is
+ *   set to TRUE, the module list will be ordered by module name.
  *
  * @return
  *   An array with the names of the modules which are implementing this hook.
@@ -712,7 +711,7 @@ function module_implements($hook, $sort = FALSE) {
 }
 
 /**
- * Regenerate the stored list of hook implementations.
+ * Regenerates the stored list of hook implementations.
  */
 function module_implements_reset() {
   // We maintain a persistent cache of hook implementations in addition to the
@@ -733,7 +732,7 @@ function module_implements_reset() {
 }
 
 /**
- * Retrieve a list of what hooks are explicitly declared.
+ * Retrieves a list of what hooks are explicitly declared.
  */
 function module_hook_info() {
   // This function is indirectly invoked from bootstrap_invoke_all(), in which
@@ -795,7 +794,7 @@ function module_implements_write_cache() {
 }
 
 /**
- * Invoke a hook in a particular module.
+ * Invokes a hook in a particular module.
  *
  * @param $module
  *   The name of the module (without the .module extension).
@@ -817,7 +816,7 @@ function module_invoke($module, $hook) {
 }
 
 /**
- * Invoke a hook in all enabled modules that implement it.
+ * Invokes a hook in all enabled modules that implement it.
  *
  * @param $hook
  *   The name of the hook to invoke.
@@ -874,7 +873,7 @@ function drupal_required_modules() {
 }
 
 /**
- * Hands off alterable variables to type-specific *_alter implementations.
+ * Passes alterable variables to specific hook_TYPE_alter() implementations.
  *
  * This dispatch function hands off the passed-in variables to type-specific
  * hook_TYPE_alter() implementations in modules. It ensures a consistent