updated changeWorkspace content

Author: dixyushi

documentation/Functions.md

@@ -107,13 +107,20 @@ Learn more about the workspace directory and working directory on [Structure](ht
 
         
 ### changeWorkspace <a name="changeWorkspace"></a>
+This function is used to change the workspace of the current tutorial.
 #### parameter
-1. path to a new workspace (relative to working directory)
+This function has only one parameter
+1. First parameter:
+    - **Required**
+    - **type**- String
+    - **Description**- path to a new workspace (relative to working directory)
 #### example 
 changeWorkspace("devonfw/workspaces/project")
 will set the workspace directory to "[working directory]/devonfw/workspaces/project"
 
-Learn more about the workspace directory and working directory on [Structure](https://github.com/devonfw-tutorials/tutorial-compiler/wiki/Structure)
+Learn more about the workspace directory and working directory on [Structure](https://github.com/devonfw-tutorials/tutorial-compiler/wiki/Structure).
+
+Note: No background scripts are running and katacoda user don't have to manually execute them.
 
 ### executeCommand <a name="executeCommand"></a>
 #### parameter 
@@ -433,4 +440,4 @@ addSetupScript("assets/createProjectScript.sh", "assets/createProjectScript.ps1"
 1. Path of the file to be opened (relative path to the workspace directory)
 
 #### example 
-openFile("cobigenexample/core/src/main/java/com/example/application/cobigenexample/customermanagement/dataaccess/api/CustomerEntity.java")
+openFile("cobigenexample/core/src/main/java/com/example/application/cobigenexample/customermanagement/dataaccess/api/CustomerEntity.java")