Update docs/guides/vscode.md

Co-authored-by: Trey Spiller <[email protected]>

Author: sungchun12

docs/guides/vscode.md

@@ -169,7 +169,7 @@ You can verify that the environment variables are being passed to the language s
 3. You should see the environment variables printed in the terminal.
    ![terminal_env_vars](./vscode/terminal_env_vars.png)
 
-If you change your environment variables in the terminal during development(e.g. `export DATABASE_PASSWORD='XYZ'`), you must restart the language server for the changes to take effect. You can do this by running the following command in the terminal:
+If you change your environment variables in the terminal during development (e.g. `export DATABASE_PASSWORD='XYZ'`), you must restart the language server for the changes to take effect. You can do this by running the following command in the terminal:
 
 1. `Cmd +Shift + P` (`Ctrl + Shift + P` in case of Windows) to start the VSCode command bar
 2. Select the option: `SQLMesh: Restart Servers`