commit c8af51b0a2caa1e8a65d5aea28e82cde306f487e
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Dec 19 20:15:59 2018 +0000

    Fix grammar in libstdc++ ABI history documentation
    
            * doc/xml/manual/abi.xml: Add missing word.

diff --git a/libstdc++-v3/doc/xml/manual/abi.xml b/libstdc++-v3/doc/xml/manual/abi.xml
index 8859e965000..d1e6b989a71 100644
--- a/libstdc++-v3/doc/xml/manual/abi.xml
+++ b/libstdc++-v3/doc/xml/manual/abi.xml
@@ -425,7 +425,7 @@ compatible.
     <literal>20160603</literal> which is greater than the
     <literal>20160427</literal> value of the macro in the 6.1.0 release,
     but there are features supported in the 6.1.0 release that are not
-    supported in 5.4.0 release.
+    supported in the 5.4.0 release.
     You also can't test for the exact values listed below to try and
     identify a release, because a snapshot taken from the gcc-5-branch on
     2016-04-27 would have the same value for the macro as the 6.1.0 release