diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index f27040f8713..4670d0022a5 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2014-06-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/tr1/beta_function.tcc: Fix spelling of include guard in
+	comment.
+
 2014-06-08  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* config/abi/pre/gnu.ver: Tighten some patterns; tidy.
diff --git a/libstdc++-v3/include/tr1/beta_function.tcc b/libstdc++-v3/include/tr1/beta_function.tcc
index c4fe6e8e31b..e7d7c4ddc3d 100644
--- a/libstdc++-v3/include/tr1/beta_function.tcc
+++ b/libstdc++-v3/include/tr1/beta_function.tcc
@@ -194,4 +194,4 @@ namespace tr1
 }
 }
 
-#endif // __GLIBCXX_TR1_BETA_FUNCTION_TCC
+#endif // _GLIBCXX_TR1_BETA_FUNCTION_TCC