diff --git a/plugins/PiwikAnalytics/PiwikAnalyticsPlugin.php b/plugins/PiwikAnalytics/PiwikAnalyticsPlugin.php
index 8a730113e6..2c85586715 100644
--- a/plugins/PiwikAnalytics/PiwikAnalyticsPlugin.php
+++ b/plugins/PiwikAnalytics/PiwikAnalyticsPlugin.php
@@ -110,6 +110,7 @@ ENDOFPIWIK;
                             'author' => 'Tobias Diekershoff, Evan Prodromou',
                             'homepage' => 'http://status.net/wiki/Plugin:Piwik',
                             'rawdescription' =>
+                            // TRANS: Plugin description.
                             _m('Use <a href="http://piwik.org/">Piwik</a> Open Source web analytics software.'));
         return true;
     }
diff --git a/plugins/Poll/Poll.php b/plugins/Poll/Poll.php
index f5fa9bade5..0c274341b2 100644
--- a/plugins/Poll/Poll.php
+++ b/plugins/Poll/Poll.php
@@ -242,7 +242,7 @@ class Poll extends Managed_DataObject
                             $p->uri);
         $link = '<a href="' . htmlspecialchars($p->uri) . '">' . htmlspecialchars($question) . '</a>';
         // TRANS: Rendered version of the notice content creating a poll.
-        // TRANS: %s a link to the poll with the question as link description.
+        // TRANS: %s is a link to the poll with the question as link description.
         $rendered = sprintf(_m('Poll: %s'), $link);
 
         $tags    = array('poll');
diff --git a/plugins/Poll/PollPlugin.php b/plugins/Poll/PollPlugin.php
index 5a7d5c22fd..1246f6c2f8 100644
--- a/plugins/Poll/PollPlugin.php
+++ b/plugins/Poll/PollPlugin.php
@@ -227,12 +227,12 @@ class PollPlugin extends MicroAppPlugin
 
                 if (!$pollUri) {
                     // TRANS: Exception thrown trying to respond to a poll without a poll reference.
-                    throw new Exception(_m('Invalid poll response: no poll reference.'));
+                    throw new Exception(_m('Invalid poll response: No poll reference.'));
                 }
                 $poll = Poll::staticGet('uri', $pollUri);
                 if (!$poll) {
                     // TRANS: Exception thrown trying to respond to a non-existing poll.
-                    throw new Exception(_m('Invalid poll response: poll is unknown.'));
+                    throw new Exception(_m('Invalid poll response: Poll is unknown.'));
                 }
                 try {
                     $notice = Poll_response::saveNew($profile, $poll, $selection, $options);
@@ -258,7 +258,7 @@ class PollPlugin extends MicroAppPlugin
             return $this->activityObjectFromNoticePollResponse($notice);
         default:
             // TRANS: Exception thrown when performing an unexpected action on a poll.
-            // TRANS: %s is the unpexpected object type.
+            // TRANS: %s is the unexpected object type.
             throw new Exception(sprintf(_m('Unexpected type for poll plugin: %s.'), $notice->object_type));
         }
     }
@@ -416,7 +416,7 @@ class PollPlugin extends MicroAppPlugin
             return $this->showNoticePollResponse($notice, $out);
         default:
             // TRANS: Exception thrown when performing an unexpected action on a poll.
-            // TRANS: %s is the unpexpected object type.
+            // TRANS: %s is the unexpected object type.
             throw new Exception(sprintf(_m('Unexpected type for poll plugin: %s.'), $notice->object_type));
         }
     }
@@ -444,6 +444,7 @@ class PollPlugin extends MicroAppPlugin
                 $form->show();
             }
         } else {
+            // TRANS: Error text displayed if no poll data could be found.
             $out->text(_m('Poll data is missing'));
         }
         $out->elementEnd('div');
diff --git a/plugins/Poll/respondpoll.php b/plugins/Poll/respondpoll.php
index 74629c3604..27b9b193fe 100644
--- a/plugins/Poll/respondpoll.php
+++ b/plugins/Poll/respondpoll.php
@@ -81,7 +81,7 @@ class RespondPollAction extends Action
 
         if (empty($this->user)) {
             // TRANS: Client exception thrown trying to respond to a poll while not logged in.
-            throw new ClientException(_m("You must be logged in to respond to a poll."),
+            throw new ClientException(_m('You must be logged in to respond to a poll.'),
                                       403);
         }
 
diff --git a/plugins/PostDebug/PostDebugPlugin.php b/plugins/PostDebug/PostDebugPlugin.php
index 48fe28eabd..558db71534 100644
--- a/plugins/PostDebug/PostDebugPlugin.php
+++ b/plugins/PostDebug/PostDebugPlugin.php
@@ -55,6 +55,7 @@ class PostDebugPlugin extends Plugin
                             'author' => 'Brion Vibber',
                             'homepage' => 'http://status.net/wiki/Plugin:PostDebug',
                             'rawdescription' =>
+                            // TRANS: Plugin description.
                             _m('Debugging tool to record request details on POST.'));
         return true;
     }
@@ -145,6 +146,4 @@ class PostDebugPlugin extends Plugin
         }
         return $data;
     }
-
 }
-