user-manual: rename "git internals" to "git concepts"

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 06c360b267f0d9e459e44ccaa81dd16b4384c627..3835fb396544787f38882f85ebbdf75a31696662 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.5.2.GIT
+DEF_VER=v1.5.3.1.GIT
 
 LF='
 '