message: Fix typo
  Fix typo in the link to `convo.repeat()`
diff: @@ -287,7 +287,7 @@ and a [bot worker](reference/core.md#botworker).
  Several helper functions are available in order to direct the flow of the conversation from within the handler:
  -* [convo.repeat()](reference/core.md#rebpeat)
  +* [convo.repeat()](reference/core.md#repeat)
  * [convo.setVar()](reference/core.md#setvar)
  * [convo.gotoThread()](reference/core.md#gotothread)
  