manuals: update VTY documentation

Change-Id: Id34c363080ced158d1f1eddd15b954e731797cf8
diff --git a/doc/manuals/chapters/counters_generated.adoc b/doc/manuals/chapters/counters_generated.adoc
index 22c321d..090bc29 100644
--- a/doc/manuals/chapters/counters_generated.adoc
+++ b/doc/manuals/chapters/counters_generated.adoc
@@ -1,6 +1,6 @@
 
 // autogenerated by show asciidoc counters
-These counters and their description based on OsmoMGW 1.5.0.60-f638 (OsmoMGW).
+These counters and their description based on OsmoMGW 1.5.0.64-189f (OsmoMGW).
 
 === Rate Counters