diff --git a/ext/curl/gstcurlhttpsrc.c b/ext/curl/gstcurlhttpsrc.c
index 274bfed9b5..b11521980c 100644
--- a/ext/curl/gstcurlhttpsrc.c
+++ b/ext/curl/gstcurlhttpsrc.c
@@ -362,7 +362,8 @@ gst_curl_http_src_class_init (GstCurlHttpSrcClass * klass)
       g_param_spec_string ("user-agent", "User-Agent",
           "URI of resource requested",
           GSTCURL_HANDLE_DEFAULT_CURLOPT_USERAGENT "/<curl-version>",
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
+          GST_PARAM_DOC_SHOW_DEFAULT));
 
   g_object_class_install_property (gobject_class, PROP_COMPRESS,
       g_param_spec_boolean ("compress", "Compress",
diff --git a/ext/dtls/gstdtlsdec.c b/ext/dtls/gstdtlsdec.c
index 87b8221318..bf2bbf2f03 100644
--- a/ext/dtls/gstdtlsdec.c
+++ b/ext/dtls/gstdtlsdec.c
@@ -141,7 +141,8 @@ gst_dtls_dec_class_init (GstDtlsDecClass * klass)
       g_param_spec_string ("pem",
       "PEM string",
       "A string containing a X509 certificate and RSA private key in PEM format",
-      DEFAULT_PEM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+      DEFAULT_PEM,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_DOC_SHOW_DEFAULT);
 
   properties[PROP_PEER_PEM] =
       g_param_spec_string ("peer-pem",
diff --git a/ext/dtls/gstdtlssrtpdec.c b/ext/dtls/gstdtlssrtpdec.c
index 983621001c..06e6dddd70 100644
--- a/ext/dtls/gstdtlssrtpdec.c
+++ b/ext/dtls/gstdtlssrtpdec.c
@@ -123,7 +123,8 @@ gst_dtls_srtp_dec_class_init (GstDtlsSrtpDecClass * klass)
       g_param_spec_string ("pem",
       "PEM string",
       "A string containing a X509 certificate and RSA private key in PEM format",
-      DEFAULT_PEM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+      DEFAULT_PEM,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_DOC_SHOW_DEFAULT);
 
   properties[PROP_PEER_PEM] =
       g_param_spec_string ("peer-pem",