diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index cba90fd27c..1759386404 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -107,9 +107,9 @@ endif::git-format-patch[]
 	--exit-code.
 
 --full-index::
-	Instead of the first handful characters, show full
-	object name of pre- and post-image blob on the "index"
-	line when generating a patch format output.
+	Instead of the first handful of characters, show the full
+	pre- and post-image blob object names on the "index"
+	line when generating patch format output.
 
 --binary::
 	In addition to --full-index, output "binary diff" that