Corrections in the 2.5.x release notes

Change-Id: I54ee73b3dac1abc2c8015534e182d2858485f052
diff --git a/ReleaseNotes/ReleaseNotes-2.5.1.txt b/ReleaseNotes/ReleaseNotes-2.5.1.txt
index 967d78d..ba4e204 100644
--- a/ReleaseNotes/ReleaseNotes-2.5.1.txt
+++ b/ReleaseNotes/ReleaseNotes-2.5.1.txt
@@ -7,7 +7,7 @@
 
 There are no schema changes from 2.5, or 2.5.1.
 
-However, if upgrading from anything earlier version, follow the upgrade
+However, if upgrading from a version older than 2.5, follow the upgrade
 procedure in the 2.5 link:ReleaseNotes-2.5.html[Release Notes].
 
 Security Fixes
diff --git a/ReleaseNotes/ReleaseNotes-2.5.2.txt b/ReleaseNotes/ReleaseNotes-2.5.2.txt
index 5e99ebf..ceb23c2 100644
--- a/ReleaseNotes/ReleaseNotes-2.5.2.txt
+++ b/ReleaseNotes/ReleaseNotes-2.5.2.txt
@@ -7,7 +7,7 @@
 
 There are no schema changes from 2.5, or 2.5.1.
 
-However, if upgrading from anything earlier version, follow the upgrade
+However, if upgrading from a version older than 2.5, follow the upgrade
 procedure in the 2.5 link:ReleaseNotes-2.5.html[Release Notes].
 
 Bug Fixes
diff --git a/ReleaseNotes/ReleaseNotes-2.5.3.txt b/ReleaseNotes/ReleaseNotes-2.5.3.txt
index 1cbe85f..60efa7a 100644
--- a/ReleaseNotes/ReleaseNotes-2.5.3.txt
+++ b/ReleaseNotes/ReleaseNotes-2.5.3.txt
@@ -5,9 +5,9 @@
 
 link:http://code.google.com/p/gerrit/downloads/detail?name=gerrit-2.5.3.war[http://code.google.com/p/gerrit/downloads/detail?name=gerrit-2.5.3.war]
 
-There are no schema changes from any member of the 2.5.x versions.
+There are no schema changes from any of the 2.5.x versions.
 
-However, if upgrading from anything earlier version, follow the upgrade
+However, if upgrading from a version older than 2.5, follow the upgrade
 procedure in the 2.5 link:ReleaseNotes-2.5.html[Release Notes].
 
 Security Fixes