doc: add missing underscore for markdown italics

A closing underscore was missing from the `poll` section of the event
loop doc. Also emboldened a word for continuity and readability.

PR-URL: https://github.com/nodejs/node/pull/6529
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
This commit is contained in:
Kevin Donahue 2016-05-02 16:30:12 -04:00 committed by Jeremiah Senkpiel
parent 4e905fa8d5
commit eb12f93b79

View File

@ -170,7 +170,7 @@ through its queue of callbacks executing them synchronously until
either the queue has been exhausted, or the system-dependent hard limit
is reached.
* _If the `poll` queue is **empty**, one of two more things will
* _If the `poll` queue **is empty**_, one of two more things will
happen:
* If scripts have been scheduled by `setImmediate()`, the event loop
will end the `poll` phase and continue to the `check` phase to