diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 702bb7c7a02..5b55e0593cb 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2019-08-09  Alan Hayward  <alan.hayward@arm.com>
+
+        * gdb.texinfo (AArch64 Pointer Authentication): Fix typo.
+
 2019-08-07  Alan Hayward  <alan.hayward@arm.com>
 
 	* gdb.texinfo (AArch64 Pointer Authentication): New subsection.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 7f8c0aff1cd..c8ca757989c 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -24395,7 +24395,7 @@ target process.
 
 When @value{GDBN} is debugging the AArch64 architecture, and the program is
 using the v8.3-A feature Pointer Authentication (PAC), then whenever the link
-register @code{$lr} is pointing to an PAC function it's value will be masked.
+register @code{$lr} is pointing to an PAC function its value will be masked.
 When GDB prints a backtrace, any addresses that required unmasking will be
 postfixed with the marker [PAC].