review feedback

Author: jeff-allen-mongo

source/includes/verify-signatures-intro.rst

@@ -1,4 +1,4 @@
 The MongoDB release team digitally signs ``mongosync`` packages to
-certify that packages are a valid and unaltered MongoDB release. Before
-you install ``mongosync``, you can use the digital signature to validate
-the package.
+certify that the packages are a valid and unaltered MongoDB release.
+Before you install ``mongosync``, you can use the digital signature to
+validate the package.