Update bash-9-scripting.md

docs/pages/bash/bash-9-scripting.md

@@ -110,7 +110,7 @@ echo $var2
     fi
     ```
 
-    ## For loop
+## For loop
 
 !!! question "Write a bash script called `count4.sh` that does the same as previously, and also report the number of characters for each file"