Correct grammar on PSR page

Author: fredden

PSR.md

@@ -2,7 +2,7 @@
 
 According to the [PSR Workflow Bylaw][workflow] each PSR has a status as it is being worked on. Once a proposal has passed the Entrance Vote it will be listed here as "Draft". Unless a PSR is marked as "Accepted" it is subject to change. Draft can change drastically, but Review will only have minor changes.
 
-As also described in the [PSR Workflow Bylaw][workflow]. The Editor, or editors, of a proposal are the essentially the lead contributors and writers of the PSRs and they are supported by two voting members. Those voting members are the Coordinator who is responsible for managing the review stage and votes; and a second sponsor.
+As also described in the [PSR Workflow Bylaw][workflow]. The Editor, or editors, of a proposal are essentially the lead contributors and writers of the PSRs and they are supported by two voting members. Those voting members are the Coordinator who is responsible for managing the review stage and votes; and a second sponsor.
 
 ## Index by Status