diff --git a/start.sh b/start.sh
index a49f40d..385d317 100644
--- a/start.sh
+++ b/start.sh
@@ -1,15 +1,29 @@
 #!/bin/bash
+#check if folder was mounted under /data
+if [[ ! -d /data ]] ; then
+    echo "[!] No Folder was mounted to /data"
+    echo "[=] Make sure a folder containig the Windows Logs (evtx) is mounted. Example:"
+    echo "[=]"
+    echo "[>] # docker run -it --rm -v /path/to/logfiles:/data tabledevil/apthunter"
+    exit 1
+fi
+
 #check which destination is writeable /data or /output
 if [[ ! -f /output/notmounted ]] && [[ -w /output ]] ; then
-    echo "output folder was mounted"
-    echo "output can be written"
+    echo "[!] Output folder was mounted and is writeable"
+    echo "[>] Using /output as destination for report"
     output="/output"
 else
     if [[ -w /data ]] ; then
-        echo "data can be written"
+        echo "[!] Mounted folder /data can be written"
+        echo "[>] Using /data as destination for report"
         output="/data"
     else
-        echo "no output folder available"
+        echo "[!] No writeable output folder available"
+        echo "[=] Make sure either the folder mounted under /data is writable ..."
+        echo "[>] # docker run -it --rm -v /path/to/logfiles:/data tabledevil/apthunter"
+        echo "[=] ... or mount a writable folder to /output"
+        echo "[>] # docker run -it --rm -v /path/to/logfiles:/data:ro -v /path/for/report:/output tabledevil/apthunter"
         exit 1
     fi
 fi