diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c1981b7deeea76df1b7f98a508c552bb341f70d1..8d901ee12c6e589423f3c874b5d6aada2dcae763 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -31,7 +31,7 @@ variables:
   TRIGGERED_BY_REF: $CI_COMMIT_REF_NAME
   TRIGGERED_BY_HASH: $CI_COMMIT_SHORT_SHA
 
-  # For storing cross-job values
+  # For storing cross-job environment variables
   DOTENV: custom.env
 
 
@@ -127,6 +127,7 @@ trigger_prepare:
     - echo "F_BRANCH=${F_BRANCH}" >> "$DOTENV"
     - cat "$DOTENV"
   artifacts:
+    # this special artifact will be loaded in the next job and make the environment variables available
     reports:
       dotenv: "$DOTENV"
     expire_in: 1 day
diff --git a/proto b/proto
index 533c8e7341d0659e3cc43d834793a7a965703f55..6f81c44a02b9258293bfb83b4de7831ef8d7c4e9 160000
--- a/proto
+++ b/proto
@@ -1 +1 @@
-Subproject commit 533c8e7341d0659e3cc43d834793a7a965703f55
+Subproject commit 6f81c44a02b9258293bfb83b4de7831ef8d7c4e9