diff --git a/Makefile b/Makefile
index 929b11e1..d4657792 100644
--- a/Makefile
+++ b/Makefile
@@ -86,6 +86,7 @@ clean:
 
 distclean: clean
 	rm -rf libs
+	rm -rf ~/.cache/{crystal,shards}
 
 
 # -----------------------
diff --git a/config/config.example.yml b/config/config.example.yml
index 2da6e55e..34070fe5 100644
--- a/config/config.example.yml
+++ b/config/config.example.yml
@@ -460,7 +460,7 @@ jobs:
 ##
 ## Note: This parameter is mandatory and should be a random string.
 ## Such random string can be generated on linux with the following
-## command: `pwdgen 20 1`
+## command: `pwgen 20 1`
 ##
 ## Accepted values: a string
 ## Default: <none>