diff --git a/Documentation/git-replace.txt b/Documentation/git-replace.txt
index 69f704faf8..65a0da508a 100644
--- a/Documentation/git-replace.txt
+++ b/Documentation/git-replace.txt
@@ -44,6 +44,9 @@ $ git cat-file commit foo
 
 shows information about commit 'bar'.
 
+The 'GIT_NO_REPLACE_OBJECTS' environment variable can be set to
+achieve the same effect as the `--no-replace-objects` option.
+
 OPTIONS
 -------
 -f::