doc/pretty-formats: explain shortening of %gd

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 655b49011fa5ce2aa1ea2c169aad2eb241dc5027..09f1228bcd79d963b60663e93aa53c35e4ff9fe7 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.8.0.GIT
+DEF_VER=v2.9.2
 
 LF='
 '