* it's information, not informations (you missed some, dj :P)

include/vlc_config.h

@@ -201,7 +201,7 @@
 /* Maximum number of active areas in a rendering buffer. Active areas are areas
  * of the picture which need to be cleared before re-using the buffer. If a
  * picture, including its many additions such as subtitles, additionnal user
- * informations and interface, has too many active areas, some of them are
+ * information and interface, has too many active areas, some of them are
  * joined. */
 #define VOUT_MAX_AREAS                  5
 

include/vlc_input.h

@@ -185,7 +185,7 @@ enum input_state_e
 #define INPUT_RATE_MIN       125            /* Up to 8/1 */
 #define INPUT_RATE_MAX      8000            /* Up to 1/8 */
 
-/* input_source_t: gathers all informations per input source */
+/* input_source_t: gathers all information per input source */
 typedef struct
 {
     /* Input item description */

include/vlc_meta.h

@@ -46,7 +46,7 @@ struct vlc_meta_t
     char    **name;
     char    **value;
 
-    /* track meta informations */
+    /* track meta information */
     int         i_track;
     vlc_meta_t  **track;
 };

include/vlc_playlist.h

@@ -155,7 +155,7 @@ VLC_EXPORT( int,  playlist_Enable, ( playlist_t *, int ) );
 VLC_EXPORT( int,  playlist_DisableGroup, ( playlist_t *, int ) );
 VLC_EXPORT( int,  playlist_EnableGroup, ( playlist_t *, int ) );
 
-/* Basic item informations accessors */
+/* Basic item information accessors */
 VLC_EXPORT( int, playlist_ItemSetGroup, (playlist_item_t *, int ) );
 VLC_EXPORT( int, playlist_ItemSetName, (playlist_item_t *,  char * ) );
 VLC_EXPORT( int, playlist_ItemSetDuration, (playlist_item_t *, mtime_t ) );