diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index f6e705e7ecc6..2ef97cbdf5d8 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-23  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* gnat_ugn.texi (Complexity Metrics Control): Update link to
+	the Watson/McCabe paper.
+
 2011-04-23  Jim Meyering  <meyering@redhat.com>
 
 	* gnat_ugn.texi (Examples of gnatxref Usage): Fix typo: s/it it/it is/
diff --git a/gcc/ada/gnat_ugn.texi b/gcc/ada/gnat_ugn.texi
index 463662ad88c3..29923ee0d683 100644
--- a/gcc/ada/gnat_ugn.texi
+++ b/gcc/ada/gnat_ugn.texi
@@ -14362,7 +14362,7 @@ maximal loop nesting level
 
 @noindent
 The McCabe complexity metrics are defined
-in @url{http://www.mccabe.com/pdf/nist235r.pdf}
+in @url{http://www.mccabe.com/pdf/mccabe-nist235r.pdf}
 
 According to McCabe, both control statements and short-circuit control forms
 should be taken into account when computing cyclomatic complexity. For each