diff --git a/ext/vpx/gstvp8enc.c b/ext/vpx/gstvp8enc.c
index 1e93adae02..8bc56f980c 100644
--- a/ext/vpx/gstvp8enc.c
+++ b/ext/vpx/gstvp8enc.c
@@ -29,10 +29,10 @@
  * [Google](http://www.google.com/). It's the successor of On2 VP3, which was
  * the base of the Theora video codec.
  *
- * To control the quality of the encoding, the #GstVP8Enc:target-bitrate,
- * #GstVP8Enc:min-quantizer, #GstVP8Enc:max-quantizer or #GstVP8Enc:cq-level
+ * To control the quality of the encoding, the #GstVPXEnc:target-bitrate,
+ * #GstVPXEnc:min-quantizer, #GstVPXEnc:max-quantizer or #GstVPXEnc:cq-level
  * properties can be used. Which one is used depends on the mode selected by
- * the #GstVP8Enc:end-usage property.
+ * the #GstVPXEnc:end-usage property.
  * See [Encoder Parameters](http://www.webmproject.org/docs/encoder-parameters/)
  * for explanation, examples for useful encoding parameters and more details
  * on the encoding parameters.
diff --git a/ext/vpx/gstvp9enc.c b/ext/vpx/gstvp9enc.c
index f3058081e8..1705b06024 100644
--- a/ext/vpx/gstvp9enc.c
+++ b/ext/vpx/gstvp9enc.c
@@ -29,10 +29,10 @@
  * [Google](http://www.google.com/). It's the successor of On2 VP3, which was
  * the base of the Theora video codec.
  *
- * To control the quality of the encoding, the #GstVP9Enc:target-bitrate,
- * #GstVP9Enc:min-quantizer, #GstVP9Enc:max-quantizer or #GstVP9Enc:cq-level
+ * To control the quality of the encoding, the #GstVPXEnc:target-bitrate,
+ * #GstVPXEnc:min-quantizer, #GstVPXEnc:max-quantizer or #GstVPXEnc:cq-level
  * properties can be used. Which one is used depends on the mode selected by
- * the #GstVP9Enc:end-usage property.
+ * the #GstVPXEnc:end-usage property.
  * See [Encoder Parameters](http://www.webmproject.org/docs/encoder-parameters/)
  * for explanation, examples for useful encoding parameters and more details
  * on the encoding parameters.