diff --git a/Server-Diagnostics---Troubleshooting.md b/Server-Diagnostics---Troubleshooting.md
index cbf4af3..1a3cbdd 100644
--- a/Server-Diagnostics---Troubleshooting.md
+++ b/Server-Diagnostics---Troubleshooting.md
@@ -5,8 +5,8 @@
 Since 3.0.0 a special command exists to verify the storage of the collections:
 
 ```
-## as user "radicale" (or the user which "owns" the storage)
-/usr/bin/radicale --verify-storage --logging-level debug
+## as user "radicale" (or the user which "owns" the storage), optional add for watching the progress: --logging-level debug
+/usr/bin/radicale --verify-storage
 ```
 
 It should not report any errors, otherwise particular VCF or ICS files have to be fixed manually.