Implemented review comment

Author: dixyushi

documentation/Functions.md

@@ -254,7 +254,7 @@ Please try not to use custom placeholders. Keep in mind that you might want to b
 The option to insert at a linenumber uses a placeholder inserted by a script and just adds it at the step you also insert the content. 
 
 Note: 
-1. The command for execution will be generated by katacoda runner, so user will have to execute this command manually.
+1. The command for execution will be generated by Katacoda runner, so user will have to execute this command manually.
 
 2. You should not use linenumber and placeholder in the same function.