Documentation: quote double-dash for AsciiDoc

diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index a9de9a74dc71e71e776cf1b7acd667d5c01582f7..97fd1d0e908b6d0f711147cf13604d1ac475faa0 100644 (file)
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -268,7 +268,7 @@ that you are filtering for a file `foo` in this commit graph:
         \   /   /   /   /
          `-------------'
 -----------------------------------------------------------------------
-The horizontal line of history A--P is taken to be the first parent of
+The horizontal line of history A---P is taken to be the first parent of
 each merge.  The commits are:
 
 * `I` is the initial commit, in which `foo` exists with contents