Fix grammar in comments

include/vlc/libvlc.h

@@ -374,7 +374,7 @@ LIBVLC_API void libvlc_log_get_context(const libvlc_log_t *ctx,
 /**
  * Gets VLC object information about a log message: the type name of the VLC
  * object emitting the message, the object header if any and a temporaly-unique
- * object identifier. These information are mainly meant for <b>manual</b>
+ * object identifier. This information is mainly meant for <b>manual</b>
  * troubleshooting.
  *
  * The returned type name may be "generic" if unknown, but it cannot be NULL.

modules/codec/avcodec/video.c

@@ -1292,7 +1292,7 @@ static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
     if (!can_hwaccel)
         goto end;
 
-    /* Profile and level information are needed now.
+    /* Profile and level information is needed now.
      * TODO: avoid code duplication with avcodec.c */
     if( p_context->profile != FF_PROFILE_UNKNOWN)
         p_dec->fmt_in.i_profile = p_context->profile;