diff --git a/gst/gdp/gstgdpdepay.h b/gst/gdp/gstgdpdepay.h
index 2d6d39ae4d..f1f41acd4d 100644
--- a/gst/gdp/gstgdpdepay.h
+++ b/gst/gdp/gstgdpdepay.h
@@ -48,6 +48,11 @@ typedef enum {
 typedef struct _GstGDPDepay GstGDPDepay;
 typedef struct _GstGDPDepayClass GstGDPDepayClass;
 
+/**
+ * GstGDPDepay:
+ *
+ * Private gdpdepay element structure.
+ */
 struct _GstGDPDepay
 {
   GstElement element;
diff --git a/gst/gdp/gstgdppay.h b/gst/gdp/gstgdppay.h
index 22bbcd2991..0cc360eb16 100644
--- a/gst/gdp/gstgdppay.h
+++ b/gst/gdp/gstgdppay.h
@@ -38,6 +38,11 @@ G_BEGIN_DECLS
 typedef struct _GstGDPPay GstGDPPay;
 typedef struct _GstGDPPayClass GstGDPPayClass;
 
+/**
+ * GstGDPPay:
+ *
+ * Private gdppay element structure.
+ */
 struct _GstGDPPay
 {
   GstElement element;