diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index 19a8917b83..6ab2af4b61 100644
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -130,6 +130,10 @@ See also <<FILES>>.
 	in the config file will cause the value to be multiplied
 	by 1024, 1048576, or 1073741824 prior to output.
 
+--bool-or-int::
+	'git-config' will ensure that the output matches the format of
+	either --bool or --int, as described above.
+
 -z::
 --null::
 	For all options that output values and/or keys, always