Change "a SQL" to "an SQL"

Change-Id: I7521bd44e689a294433488db4a4ba4c9f310d20f

ReleaseNotes/ReleaseNotes-2.0.18.txt

@@ -117,7 +117,7 @@ Bug Fixes
 ---------
 * GERRIT-5    Remove PatchSetInfo from database and get it always fr...
 +
-A very, very old bug.  We no longer mirror the commit data into the SQL database, but instead pull it directly from Git when needed.  Removing duplicated data simplifies the data store model, something that is important as we shift from a SQL database to a Git backed database.
+A very, very old bug.  We no longer mirror the commit data into the SQL database, but instead pull it directly from Git when needed.  Removing duplicated data simplifies the data store model, something that is important as we shift from an SQL database to a Git backed database.
 
 * GERRIT-220  Fix infinite loop in PatchScriptBuilder
 +
@@ -314,4 +314,4 @@ This release is really massive because the internal code moved from some really
 * Cleanup display of external ids in the user settings
 * Preserve negative approvals when replacing patch sets
 * Use gwtjsonrpc 1.1.1
-* gerrit 2.0.18
+* gerrit 2.0.18

ReleaseNotes/ReleaseNotes-2.0.22.txt

@@ -118,7 +118,7 @@ SSH usernames were permitted to contain any character, including
 oddball characters like '\0' and '/'.  We really want them to
 be a restricted subset which won't cause errors when we try to
 map SSH usernames as file names in a Git repository as we try
-to move away from a SQL database.
+to move away from an SQL database.
 
 * GERRIT-282  Fix reply to comment on left side
 +
@@ -157,4 +157,4 @@ Other Changes
 * GERRIT-67   Wait for dependencies to submit before claiming merge ...
 * Move abandonChange to ChangeManageService
 * Remove trailing whitespace in install.txt
-* Gerrit 2.0.22
+* Gerrit 2.0.22