Upgrade version number

Change-Id: I4e9ed6c4760d2a7c9b4c914ecd453d34850730c5
diff --git a/Dockerfile b/Dockerfile
index ad7c0ff..51198cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -137,5 +137,5 @@
 
 LABEL description="Docker Image for Kalamar, the KorAP user frontend, including Conversion"
 
-# docker build -f Dockerfile -t korap/kalamar:0.44-conv --target kalamar-convert .
-# docker build -f Dockerfile -t korap/kalamar:0.44 --target kalamar .
+# docker build -f Dockerfile -t korap/kalamar:x.xx-conv --target kalamar-convert .
+# docker build -f Dockerfile -t korap/kalamar:x.xx --target kalamar .