Fix of code in searching-things tutorial. Resolve #3213

docs/source/Howtos/Beginner-Tutorial/Part1/Beginner-Tutorial-Searching-Things.md

@@ -70,9 +70,9 @@ class CmdQuickFind(Command):
     def func(self):
         query = self.args
         result = self.caller.search(query)
-        if not result
+        if not result:
             return
-        self.caller.msg(f"Found match for {query}: {foo}")
+        self.caller.msg(f"Found match for {query}: {result}")
 ```
 
 Remember, `self.caller` is the one calling the command. This is usually a Character, which