diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index 0a7a131c6a9..79ba145c5f3 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,5 +1,7 @@
 2013-02-13  Glenn Morris  <rgm@gnu.org>
 
+	* objects.texi (Char-Table Type): Add footnote about #^^.
+
 	* modes.texi (Minor Mode Conventions): Fix typo.
 
 2013-02-12  Glenn Morris  <rgm@gnu.org>
diff --git a/doc/lispref/objects.texi b/doc/lispref/objects.texi
index 7cc1d16a8a2..0437d2337a3 100644
--- a/doc/lispref/objects.texi
+++ b/doc/lispref/objects.texi
@@ -1179,7 +1179,8 @@ a whole character set.
 
 @cindex @samp{#^} read syntax
   The printed representation of a char-table is like a vector
-except that there is an extra @samp{#^} at the beginning.
+except that there is an extra @samp{#^} at the beginning.@footnote{You
+may also encounter @samp{#^^}, used for ``sub-char-tables''.}
 
   @xref{Char-Tables}, for special functions to operate on char-tables.
 Uses of char-tables include: