Merge pull request #321 from RaoOfPhysics/fix-typo

Fix small typo in wttr_line.py

lib/wttr_line.py

@@ -219,7 +219,7 @@ def format_weather_data(format_line, location, override_location, data, query):
     """
 
     if 'data' not in data:
-        return 'Unknow location; please try ~%s' % location
+        return 'Unknown location; please try ~%s' % location
     current_condition = data['data']['current_condition'][0]
     current_condition['location'] = location
     current_condition['override_location'] = override_location