diff --git a/core/includes/file.inc b/core/includes/file.inc
index da6c62b..17ce8c3 100644
--- a/core/includes/file.inc
+++ b/core/includes/file.inc
@@ -331,7 +331,7 @@ function file_uri_target($uri) {
   // forward-slashes and backslashes.
   $target = trim(preg_replace('/^[\w\-]+:\/\/|^data:/', '', $uri), '\/');
 
-  // If nothing was replaced, the uri doesn't have a valid scheme.
+  // If nothing was replaced, the URI doesn't have a valid scheme.
   return $target !== $uri ? $target : FALSE;
 }
 
@@ -446,8 +446,8 @@ function file_stream_wrapper_get_instance_by_scheme($scheme) {
  *   part of Drupal core or contributed modules or themes.
  *
  * @param string $uri
- *   The URI to a file for which we need an external URL, the path to a
- *   shipped file or a data URI.
+ *   The URI to a file for which we need an external URL, or the path to a
+ *   shipped file.
  *
  * @return string
  *   A string containing a URL that may be used to access the file.
@@ -484,7 +484,7 @@ function file_create_url($uri) {
   }
   elseif ($scheme == 'http' || $scheme == 'https' || $scheme == 'data') {
     // Check for HTTP and data URI-encoded URLs so that we don't have to
-    // implement getExternalUrl() for the HTTP and data wrappers.
+    // implement getExternalUrl() for the HTTP and data schemes.
     return $uri;
   }
   else {