Fix sphinxdoc warning in common_iot_skill.py
@@ -528,8 +528,8 @@ class CommonIoTSkill(MycroftSkill, ABC):
An IoTRequest contains several properties (see the
documentation for that class). This method should return
True if and only if this skill can take the appropriate
- 'action' when considering _all other properties
- of the request_. In other words, a partial match, one in which
+ 'action' when considering all other properties
+ of the request. In other words, a partial match, one in which
any piece of the IoTRequest is not known to this skill,
and is not None, this should return (False, None).
