diff --git a/Documentation/mergetools/vimdiff.adoc b/Documentation/mergetools/vimdiff.adoc
index befa86d692..ab915df408 100644
--- a/Documentation/mergetools/vimdiff.adoc
+++ b/Documentation/mergetools/vimdiff.adoc
@@ -86,7 +86,7 @@ command.
 +
 --
 When `MERGED` is not present in the layout, you must "mark" one of the
-buffers with an asterisk. That will become the buffer you need to edit and
+buffers with an arobase (`@`). That will become the buffer you need to edit and
 save after resolving the conflicts.
 ....
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