Merge pull request #1 from JKillian/patch-1

Fix typo in tutorial.js

assets/scripts/tutorial.js

@@ -143,7 +143,7 @@ function tutorial_init_pre() {
     title:    "Altitude aliases",
     text:     ["You can also assign altitudes with the ‘climb’ command. This command also has aliases (other commands that have different",
                "names but act identically). Running the command ‘climb’ is the same as the commands ‘descend’,",
-               "‘descend’, or ‘altitude’; use whichever feels correct in your situation."
+               "‘clear’, or ‘altitude’; use whichever feels correct in your situation."
                ].join(" "),
     parse:    function(t) {
       return t.replace("{CALLSIGN}", prop.aircraft.list[0].getCallsign());