Fixes some typos in the release notes.
Fixes some typos in the release notes.

+review REVIEW-5632

lsmaira/gradle,gstevey/gradle,gradle/gradle,lsmaira/gradle,gstevey/gradle,blindpirate/gradle,lsmaira/gradle,gradle/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,gstevey/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,gstevey/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,lsmaira/gradle,gradle/gradle,gstevey/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,gstevey/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,gstevey/gradle,gradle/gradle,gstevey/gradle,gradle/gradle,blindpirate/gradle,gstevey/gradle,blindpirate/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,lsmaira/gradle