Edit comment to make it clear that we are talking about container version

Author: 0rax

docker/s6/gogs/setup

@@ -16,7 +16,7 @@ cd /app/gogs
 ln -sf /data/gogs/log  ./log
 ln -sf /data/gogs/data ./data
 
-# Backward Compatibility with Docker v0.6.15
+# Backward Compatibility with Gogs Container v0.6.15
 ln -sf /data/git /home/git
 
 chown -R git:git /data /app/gogs ~git/