Lots of tiny message changes.

* Mostly punctuation updates so that the same message is used consistently in all of StatusNet.
* Some cases of "Title Case" removed, because that does not appear to be used consistently.

1 files changed, 1 insertions, 1 deletions

diff --git a/actions/apihelptest.php b/actions/apihelptest.php
index f2c459e6f..7b4017531 100644
--- a/actions/apihelptest.php
+++ b/actions/apihelptest.php
@@ -85,7 +85,7 @@ class ApiHelpTestAction extends ApiPrivateAuthAction
             $this->endDocument('json');
         } else {
             $this->clientError(
-                _('API method not found!'),
+                _('API method not found.'),
                 404,
                 $this->format
             );