diff --git a/workflow/qhtcp-workflow b/workflow/qhtcp-workflow
index 3e109dd6..072cd7ea 100755
--- a/workflow/qhtcp-workflow
+++ b/workflow/qhtcp-workflow
@@ -1419,12 +1419,13 @@ main() {
       SCANS_DIR="$d"
     fi
   done
-  echo "Using scans directory $SCANS_DIR"
-  echo "Change the SCANS env var to override"
+  echo "Scans directory: $SCANS_DIR"
+  echo "Change the SCANS environment variable to override"
+  echo "Example: SCANS=/path/to/other/scans ./qhtcp-workflow.sh"
 
   # Set the automatic project directory prefix
   PROJECT_USER="$(whoami)"
-  PROJECT_PREFIX="${DATE}_${PROJECT_USER}_" # reversed these so easier to sort and parse date
+  PROJECT_PREFIX="${DATE}_${PROJECT_USER}" # reversed these so easier to sort and parse date
   san() { [[ $1 =~ [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]_.+_.+ ]]; } # sanitizer regex for prefix
   
   declare -ag PROJECTS=() # this array will hold all of the projects for this run