gitconfig: Document interactive.singlekey needs Term::Readkey.

diff --git a/gitconfig.m4 b/gitconfig.m4
index 75cd32799908909d24d3d992bb3916b7e89045a8..ee62097e67d98262e41550ef9ec0165880e065ab 100644 (file)
--- a/gitconfig.m4
+++ b/gitconfig.m4
@@ -53,7 +53,8 @@ include(../lib.m4)
 
 [interactive]
        # Don't require <Return> in interactive commands which require only a
-       # single key, for example `git add --patch`.
+       # single key, for example `git add --patch`. Requires Perl module
+       # Term::Readkey.
        singlekey = yes
 
 [alias]