diff --git a/gst/gststructure.c b/gst/gststructure.c
index 6f7f6097da..7f91a5b457 100644
--- a/gst/gststructure.c
+++ b/gst/gststructure.c
@@ -51,7 +51,7 @@
  * gst_structure_remove_fields().
  *
  * Strings in structures must be ASCII or UTF-8 encoded. Other encodings are
- * not allowed. Strings must not be empty either, but may be NULL.
+ * not allowed. Strings may be NULL however.
  *
  * Be aware that the current #GstCaps / #GstStructure serialization into string
  * has limited support for nested #GstCaps / #GstStructure fields. It can only
diff --git a/gst/gsttaglist.c b/gst/gsttaglist.c
index 5cff28d537..ed837ed131 100644
--- a/gst/gsttaglist.c
+++ b/gst/gsttaglist.c
@@ -25,9 +25,8 @@
  *
  * List of tags and values used to describe media metadata.
  *
- * Strings must be in ASCII or UTF-8 encoding. No other encodings are allowed.
- *
- * Last reviewed on 2009-06-09 (0.10.23)
+ * Strings in structures must be ASCII or UTF-8 encoded. Other encodings are
+ * not allowed. Strings must not be empty or NULL.
  */
 
 #ifdef HAVE_CONFIG_H