Fix typos in git rules and release process READMEs

Author: prayagverma

README.GIT-RULES

@@ -79,7 +79,7 @@ The next few rules are more of a technical nature::
       should be noted in both PHP-5.4/NEWS and PHP-5.5/NEWS but
       not master, which is not a public released version yet.
 
-   3. Do not commit multiple file and dump all messages in one commit. If you
+   3. Do not commit multiple files and dump all messages in one commit. If you
       modified several unrelated files, commit each group separately and
       provide a nice commit message for each one. See example below.
 

README.RELEASE_PROCESS

@@ -17,7 +17,7 @@ It is recommended to do so a couple of days before the packaging day, to
 have enough time to investigate failures, communicate with the authors and
 commit the fixes.
 The RM for the branch is also responsible for keeping the CI green on
-ongoing bases between the releases. Check the CI status for your branch
+ongoing basis between the releases. Check the CI status for your branch
 periodically and resolve the failures ASAP. See more in:
 https://wiki.php.net/rfc/travis_ci
 
@@ -271,8 +271,8 @@ to upgrade.
 10. Wait an hour or two, then send a mail to [email protected],
 [email protected] and [email protected] with a text similar to
 http://news.php.net/php.internals/17222.
-Please make sure that the mail to php-announce@ is its own completely seperate email.
-This is to make sure that repiles to the announcement on php-general@ or internals@
+Please make sure that the mail to php-announce@ is its own completely separate email.
+This is to make sure that replies to the announcement on php-general@ or internals@
 will not accidentally hit the php-announce@ mailinglist.
 
 Re-releasing the same version (or -pl)
@@ -309,6 +309,6 @@ to upgrade.
 5. Wait an hour or two, then send a mail to [email protected],
 [email protected] and [email protected] with a text similar to
 the news entry.
-Please make sure that the mail to php-announce@ is its own completely seperate email.
-This is to make sure that repiles to the announcement on php-general@ or internals@
+Please make sure that the mail to php-announce@ is its own completely separate email.
+This is to make sure that replies to the announcement on php-general@ or internals@
 will not accidentally hit the php-announce@ mailinglist.