diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am
index 3175dd1b5f..7ec5202966 100644
--- a/docs/plugins/Makefile.am
+++ b/docs/plugins/Makefile.am
@@ -194,6 +194,7 @@ EXTRA_HFILES = \
 	$(top_srcdir)/gst/udp/gstmultiudpsink.h \
 	$(top_srcdir)/gst/udp/gstudpsrc.h \
 	$(top_srcdir)/gst/udp/gstudpsink.h \
+	$(top_srcdir)/gst/videobox/gstvideobox.h \
 	$(top_srcdir)/gst/videocrop/gstvideocrop.h \
 	$(top_srcdir)/gst/videocrop/gstaspectratiocrop.h \
 	$(top_srcdir)/gst/videofilter/gstgamma.h \
diff --git a/docs/plugins/gst-plugins-good-plugins.args b/docs/plugins/gst-plugins-good-plugins.args
index 08091e0806..9d8c401253 100644
--- a/docs/plugins/gst-plugins-good-plugins.args
+++ b/docs/plugins/gst-plugins-good-plugins.args
@@ -348,6 +348,16 @@
 <DEFAULT>0</DEFAULT>
 </ARG>
 
+<ARG>
+<NAME>GstVideoBox::autocrop</NAME>
+<TYPE>gboolean</TYPE>
+<RANGE></RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>Auto crop</NICK>
+<BLURB>Auto crop.</BLURB>
+<DEFAULT>FALSE</DEFAULT>
+</ARG>
+
 <ARG>
 <NAME>GstUDPSink::host</NAME>
 <TYPE>gchar*</TYPE>