fix a small copy/paste error (#376)

Co-authored-by: Jim Bennett <jim.bennett@microsoft.com>

1-getting-started/lessons/4-connect-internet/README.md

@@ -269,7 +269,7 @@ Write the server code.
 1. Launch a new VS Code Terminal by selecting *Terminal -> New Terminal, or pressing `` CTRL+` ``. The new terminal will load the virtual environment, with the call to activate this appearing in the terminal. The name of the virtual environment (`.venv`) will also be in the prompt:
 
     ```output
-    ➜  nightlight source .venv/bin/activate
+    ➜  nightlight-server source .venv/bin/activate
     (.venv) ➜  nightlight 
     ```