diff --git a/ext/lame/gstlame.c b/ext/lame/gstlame.c
index 40bbdbc454..de9b11ddae 100644
--- a/ext/lame/gstlame.c
+++ b/ext/lame/gstlame.c
@@ -31,6 +31,8 @@ static GstElementDetails gst_lame_details = {
   "Erik Walthinsen <omega@cse.ogi.edu>",
 };
 
+/* LAME can do MPEG-1, MPEG-2, and MPEG-2.5, so it has 9 possible
+ * sample rates it supports */
 static GstStaticPadTemplate gst_lame_sink_template =
 GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_SINK,