Update how_to_demo.md

documentation/how_to_demo.md

@@ -24,7 +24,7 @@ Follow this How-To to get the quadcopter up and running in Coover 3050.
 On the ground station computer (Co3050-microcart), log in with the following credentials. 
 
 username: `ucart`<br>
-password: `microcart`
+password: `password1`
 
 Navigate to the ground station folder in a Terminal. 
 ```bash