diff --git a/ChangeLog b/ChangeLog
index 0d89f5e31d..942a9dcfb1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-15  Siddhesh Poyarekar  <siddhesh@redhat.com>
+
+	* manual/nptl.texi (cindex): Modify threads to pthreads.
+
 2013-03-15  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/x86_64/preconfigure: Regenerated.
diff --git a/manual/nptl.texi b/manual/nptl.texi
index f1d8f08f6e..9a1df1a862 100644
--- a/manual/nptl.texi
+++ b/manual/nptl.texi
@@ -2,7 +2,7 @@
 @c @node POSIX Threads, , Cryptographic Functions, Top
 @chapter POSIX Threads
 @c %MENU% POSIX Threads
-@cindex threads
+@cindex pthreads
 
 This chapter describes the @glibcadj{} POSIX Thread implementation.