diff --git a/core/includes/image.inc b/core/includes/image.inc
index 6191179..ee5a086 100644
--- a/core/includes/image.inc
+++ b/core/includes/image.inc
@@ -34,7 +34,7 @@
  */
 
 /**
- * Returns a list of available toolkits.
+ * Gets a list of available toolkits.
  *
  * @return
  *   An array with the toolkit names as keys and the descriptions as values.
@@ -55,7 +55,7 @@ function image_get_available_toolkits() {
 }
 
 /**
- * Retrieves the name of the currently used toolkit.
+ * Gets the name of the currently used toolkit.
  *
  * @return
  *   String containing the name of the selected toolkit, or FALSE on error.
@@ -308,7 +308,7 @@ function image_rotate(stdClass $image, $degrees, $background = NULL) {
 }
 
 /**
- * Crops an image to the rectangle specified by the given rectangle.
+ * Crops an image to a rectangle specified by the given dimensions.
  *
  * @param $image
  *   An image object returned by image_load().
@@ -355,7 +355,6 @@ function image_desaturate(stdClass $image) {
   return image_toolkit_invoke('desaturate', $image);
 }
 
-
 /**
  * Loads an image file and returns an image object.
  *
diff --git a/core/includes/install.inc b/core/includes/install.inc
index 80f2fb1..54d54f5 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -799,7 +799,7 @@ function drupal_requirements_severity(&$requirements) {
  *   Machine name of module to check.
  *
  * @return
- *   TRUE/FALSE depending on the requirements are in place.
+ *   TRUE or FALSE, depending on whether the requirements are met.
  */
 function drupal_check_module($module) {
   module_load_install($module);
diff --git a/core/includes/menu.inc b/core/includes/menu.inc
index 87e593d..420b092 100644
--- a/core/includes/menu.inc
+++ b/core/includes/menu.inc
@@ -2205,7 +2205,7 @@ function menu_local_actions() {
 }
 
 /**
- * Returns the router path, or the path for of a default local task's parent.
+ * Returns the router path, or the path for a default local task's parent.
  */
 function menu_tab_root_path() {
   $links = menu_local_tasks();
diff --git a/core/includes/module.inc b/core/includes/module.inc
index 0442b77..b0a9663 100644
--- a/core/includes/module.inc
+++ b/core/includes/module.inc
@@ -920,7 +920,7 @@ function module_invoke_all($hook) {
  */
 
 /**
- * Array of modules required by core.
+ * Returns an array of modules required by core.
  */
 function drupal_required_modules() {
   $files = drupal_system_listing('/^' . DRUPAL_PHP_FUNCTION_PATTERN . '\.info$/', 'modules', 'name', 0);