doc/pretty-formats: describe index/time formats for %gd

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 35aada1447d5276910393b7a29a7ef10ab2d0c3e..40cfe37d00d1b04995c7c486e7dad009278040b9 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -51,7 +51,7 @@ grep.patternType::
 
 grep.extendedRegexp::
        If set to true, enable '--extended-regexp' option by default. This
-       option is ignored when the 'grep.patternType' option is set to a value
+       option is ignored when the `grep.patternType` option is set to a value
        other than 'default'.
 
 grep.threads::
@@ -61,6 +61,10 @@ grep.threads::
 grep.fullName::
        If set to true, enable '--full-name' option by default.
 
+grep.fallbackToNoIndex::
+       If set to true, fall back to git grep --no-index if git grep
+       is executed outside of a git repository.  Defaults to false.
+
 
 OPTIONS
 -------