diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a99c64117f65..5a7832bc02cc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2014-04-14  Yufeng Zhang  <yufeng.zhang@arm.com>
+
+	* doc/invoke.texi (free): Document AArch64.
+
 2014-04-14  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/60042
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 860a545d95f3..3fdfeb9571d9 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -7396,7 +7396,7 @@ Attempt to remove redundant extension instructions.  This is especially
 helpful for the x86-64 architecture, which implicitly zero-extends in 64-bit
 registers after writing to their lower 32-bit half.
 
-Enabled for x86 at levels @option{-O2}, @option{-O3}.
+Enabled for AArch64 and x86 at levels @option{-O2}, @option{-O3}.
 
 @item -flive-range-shrinkage
 @opindex flive-range-shrinkage