diff --git a/cms/gen-sim/Dockerfile.template b/cms/gen-sim/Dockerfile.template
index 125443762c7d33604079d118ac69ac03a1d67dd1..936a9befee2a0400ec62385e3e4e016fe825b64d 100644
--- a/cms/gen-sim/Dockerfile.template
+++ b/cms/gen-sim/Dockerfile.template
@@ -13,6 +13,8 @@ RUN yum install -y \
 
 COPY ./cvmfs /cvmfs
 COPY __insert_bmkdir__ /bmk/__insert_bmkdir__
+
+# get sqlite file 
 RUN wget -q https://hep-benchmarks.web.cern.ch/hep-benchmarks/hep-workloads/data/cms/gen-sim/GlobalTag.db -O /bmk/__insert_bmkdir__/data/GlobalTag.db
  
 LABEL multi.maintainer="Domenico Giordano <domenico.giordano@cern.ch>" \