Documentation: Allow custom diff tools to be specified in 'diff.tool'

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index dab0a78fa890d0c0cd193d89b7f4ac9ed19fb001..791d4d4871b6a285878f8c43b3b0a76c7f63f57c 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -93,6 +93,7 @@ OPTIONS
        as a regex).
 
 -n::
+--line-number::
        Prefix the line number to matching lines.
 
 -l::