Added change for auto-replacement of invalid characters while creating a branch.

Author: sanaya-m

content/en/docs/refguide/modeling/menus/version-control-menu/branch-line-manager-dialog/create-branch-line-dialog.md

@@ -51,8 +51,7 @@ Select from which tagged version you want to create a branch line. Every time yo
 Enter a name for the new branch line.
 
 {{% alert color="warning" %}}
-Branch names cannot include special characters (for example, `@`, `$`, `#`). 
-{{% /alert %}}
+While creating a branch, avoid using invalid characters such as `\`, `^`, `~`, `[`, `:`, `?`, `*`, `<space>`, or consecutive dots `..`. These characters are not permitted by Git and will automatically be replaced with a dash `-`.{{% /alert %}}
 
 ## Existing Branch Lines