Minor documentation fixes

Change-Id: Ia1e5c88351ecfb326d181975d5dee4ce07c9f4d4

src/main/resources/Documentation/about.md

diff --git a/src/main/resources/Documentation/about.md b/src/main/resources/Documentation/about.md
index 743bb41..40814f0 100644
--- a/src/main/resources/Documentation/about.md
+++ b/src/main/resources/Documentation/about.md
@@ -1,7 +1,7 @@
 The @PLUGIN@ plugin allows to import projects and groups from a remote
 Gerrit server into the Gerrit server where the plugin is installed.
 
-The imports are done online while both, source and target Gerrit
+The imports are done online while both source and target Gerrit
 server, are running.
 
 The user that does the import must be a member of a group that is
@@ -91,9 +91,9 @@
 Account] or the link:access-control.html#capability_administrateServer[
 Administrate Server] capability assigned on the source system.
 
-If for any reason an user is no longer existent in the LDAP instance but it
+If for any reason a user no longer exists in the LDAP instance but it
 is listed as a change owner, reviewer or as part of a group, a local user
-account is created with the same username. Giving that such user is not longer
+account is created with the same username. Given that such a user is no longer
 active in the system, their account status is set to inactive.
 
 Gerrit internal users (e.g. service users) should be created in the target