diff --git a/gst-libs/gst/adaptivedemux/gstadaptivedemux.c b/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
index 32d565d971..5e8a9ff4c5 100644
--- a/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
+++ b/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
@@ -31,7 +31,7 @@
  *
  * Adaptive formats (HLS, DASH, MSS) are composed of a manifest file and
  * a set of fragments. The manifest describes the available media and
- * the sequence of fragments to use. Each fragments contains a small
+ * the sequence of fragments to use. Each fragment contains a small
  * part of the media (typically only a few seconds). It is possible for
  * the manifest to have the same media available in different configurations
  * (bitrates for example) so that the client can select the one that
diff --git a/gst-libs/gst/adaptivedemux/gstadaptivedemux.h b/gst-libs/gst/adaptivedemux/gstadaptivedemux.h
index a5c87fe773..c507691a87 100644
--- a/gst-libs/gst/adaptivedemux/gstadaptivedemux.h
+++ b/gst-libs/gst/adaptivedemux/gstadaptivedemux.h
@@ -352,7 +352,7 @@ struct _GstAdaptiveDemuxClass
    * need_another_chunk:
    * @stream: #GstAdaptiveDemuxStream
    *
-   * If chunked downloading is used (chunk_size != 0) this is called once as
+   * If chunked downloading is used (chunk_size != 0) this is called once a
    * chunk is finished to decide whether more has to be downloaded or not.
    * May update chunk_size to a different value
    */
@@ -391,7 +391,7 @@ struct _GstAdaptiveDemuxClass
    * to download the fragment. This is useful to avoid downloading a fragment that
    * isn't available yet.
    *
-   * Returns: The waiting time in microsseconds
+   * Returns: The waiting time in microseconds
    */
   gint64        (*stream_get_fragment_waiting_time) (GstAdaptiveDemuxStream * stream);