diff --git a/docs/devel/evolution-plugin-manual.xml b/docs/devel/evolution-plugin-manual.xml
index 7aaa1d05f1..7b574bfedb 100644
--- a/docs/devel/evolution-plugin-manual.xml
+++ b/docs/devel/evolution-plugin-manual.xml
@@ -391,7 +391,7 @@
 		object to represent and manage it.</simpara></listitem>
 	    <listitem><simpara>Load the base structure of the XML plugin
 		definition files.</simpara></listitem>
-	    <listitem><simpara>Resolve plugin hook types and instantiate a
+	    <listitem><simpara>Resolve plugin hook types and instantiate an
 		EPluginHook to represent and manage it.</simpara></listitem>
 	    <listitem><simpara>Provide a simple, language-independent api for
 		invoking plugin callbacks</simpara></listitem>
diff --git a/src/addressbook/gui/widgets/e-addressbook-view.c b/src/addressbook/gui/widgets/e-addressbook-view.c
index b4c4ff199b..dbf69ce0b6 100644
--- a/src/addressbook/gui/widgets/e-addressbook-view.c
+++ b/src/addressbook/gui/widgets/e-addressbook-view.c
@@ -1361,7 +1361,7 @@ report_and_free_error_if_any (GError *error)
 }
 
 /* callback function to handle removal of contacts for
- * which a user doesnt have write permission
+ * which a user doesn't have write permission
  */
 static void
 remove_contacts_cb (GObject *source_object,
diff --git a/src/calendar/gui/e-cal-dialogs.c b/src/calendar/gui/e-cal-dialogs.c
index 4ed27daaae..f2a667f435 100644
--- a/src/calendar/gui/e-cal-dialogs.c
+++ b/src/calendar/gui/e-cal-dialogs.c
@@ -1093,7 +1093,7 @@ add_checkbox (GtkBox *where,
 /**
  * e_cal_dialogs_send_component:
  *
- * Pops up a dialog box asking the user whether he wants to send a
+ * Pops up a dialog box asking the user whether he wants to send an
  * iTip/iMip message
  *
  * Return value: TRUE if the user clicked Yes, FALSE otherwise.
@@ -1187,7 +1187,7 @@ e_cal_dialogs_send_component (GtkWindow *parent,
 /**
  * e_cal_dialogs_send_dragged_or_resized_component:
  *
- * Pops up a dialog box asking the user whether he wants to send a
+ * Pops up a dialog box asking the user whether he wants to send an
  * iTip/iMip message or cancel the drag/resize operations
  *
  * Return value: GTK_RESPONSE_YES if the user clicked Yes,
diff --git a/src/calendar/gui/e-calendar-view.c b/src/calendar/gui/e-calendar-view.c
index 867e77c426..bb9ff3aa4c 100644
--- a/src/calendar/gui/e-calendar-view.c
+++ b/src/calendar/gui/e-calendar-view.c
@@ -183,7 +183,7 @@ calendar_view_delete_event (ECalendarView *cal_view,
 	client = g_object_ref (event->comp_data->client);
 	icalcomp = e_cal_component_get_icalcomponent (comp);
 
-	/*FIXME remove it once the we dont set the recurrence id for all the generated instances */
+	/*FIXME remove it once the we don't set the recurrence id for all the generated instances */
 	if (!only_occurrence && !e_cal_client_check_recurrences_no_master (client))
 		e_cal_component_set_recurid (comp, NULL);
 
diff --git a/src/e-util/e-client-cache.c b/src/e-util/e-client-cache.c
index 723ce24445..bbbb6ed8a7 100644
--- a/src/e-util/e-client-cache.c
+++ b/src/e-util/e-client-cache.c
@@ -1088,13 +1088,13 @@ e_client_cache_ref_registry (EClientCache *client_cache)
  *
  * #E_SOURCE_EXTENSION_ADDRESS_BOOK will obtain an #EBookClient.
  *
- * #E_SOURCE_EXTENSION_CALENDAR will obtain an #ECalClient with a
+ * #E_SOURCE_EXTENSION_CALENDAR will obtain an #ECalClient with an
  * #ECalClient:source-type of #E_CAL_CLIENT_SOURCE_TYPE_EVENTS.
  *
- * #E_SOURCE_EXTENSION_MEMO_LIST will obtain an #ECalClient with a
+ * #E_SOURCE_EXTENSION_MEMO_LIST will obtain an #ECalClient with an
  * #ECalClient:source-type of #E_CAL_CLIENT_SOURCE_TYPE_MEMOS.
  *
- * #E_SOURCE_EXTENSION_TASK_LIST will obtain an #ECalClient with a
+ * #E_SOURCE_EXTENSION_TASK_LIST will obtain an #ECalClient with an
  * #ECalClient:source-type of #E_CAL_CLIENT_SOURCE_TYPE_TASKS.
  *
  * The @source must already have an #ESourceExtension by that name
diff --git a/src/e-util/e-filter-rule.c b/src/e-util/e-filter-rule.c
index af7fed1567..29c00f06f1 100644
--- a/src/e-util/e-filter-rule.c
+++ b/src/e-util/e-filter-rule.c
@@ -109,7 +109,7 @@ part_combobox_changed (GtkComboBox *combobox,
 
 	g_return_if_fail (i == index);
 
-	/* dont update if we haven't changed */
+	/* don't update if we haven't changed */
 	if (!strcmp (part->title, data->part->title))
 		return;
 
diff --git a/src/e-util/e-mktemp.c b/src/e-util/e-mktemp.c
index ca321ce0b6..8d812d7bbc 100644
--- a/src/e-util/e-mktemp.c
+++ b/src/e-util/e-mktemp.c
@@ -43,7 +43,7 @@
 
 /* how old things need to be to expire */
 #define TEMP_EXPIRE (60*60*2)
-/* dont scan more often than this */
+/* don't scan more often than this */
 #define TEMP_SCAN (60)
 
 static gint
diff --git a/src/e-util/e-rule-context.c b/src/e-util/e-rule-context.c
index 4f72f7ad35..e8f23a5406 100644
--- a/src/e-util/e-rule-context.c
+++ b/src/e-util/e-rule-context.c
@@ -365,7 +365,7 @@ rule_context_revert (ERuleContext *context,
 
 	userdoc = e_xml_parse_file (user);
 	if (userdoc == NULL)
-		/* clear out anythign we have? */
+		/* clear out anything we have? */
 		return 0;
 
 	source_hash = g_hash_table_new (
@@ -374,7 +374,7 @@ rule_context_revert (ERuleContext *context,
 
 	/* setup stuff we have now */
 	/* Note that we assume there is only 1 set of rules in a given rule context,
-	 * although other parts of the code dont assume this */
+	 * although other parts of the code don't assume this */
 	frule = NULL;
 	while ((frule = e_rule_context_next_rule (context, frule, NULL))) {
 		rest_data = g_hash_table_lookup (source_hash, frule->source);
diff --git a/src/libemail-engine/mail-folder-cache.c b/src/libemail-engine/mail-folder-cache.c
index 4e7b7dda4d..4ac6153294 100644
--- a/src/libemail-engine/mail-folder-cache.c
+++ b/src/libemail-engine/mail-folder-cache.c
@@ -1307,7 +1307,7 @@ store_folder_created_cb (CamelStore *store,
                          MailFolderCache *cache)
 {
 	/* We only want created events to do more work
-	 * if we dont support subscriptions. */
+	 * if we don't support subscriptions. */
 	if (!CAMEL_IS_SUBSCRIBABLE (store))
 		store_folder_subscribed_cb (store, info, cache);
 }
@@ -1341,7 +1341,7 @@ store_folder_deleted_cb (CamelStore *store,
                          MailFolderCache *cache)
 {
 	/* We only want deleted events to do more work
-	 * if we dont support subscriptions. */
+	 * if we don't support subscriptions. */
 	if (!CAMEL_IS_SUBSCRIBABLE (store))
 		store_folder_unsubscribed_cb (store, info, cache);
 }
diff --git a/src/libemail-engine/mail-ops.c b/src/libemail-engine/mail-ops.c
index 24280bb811..fa7014d398 100644
--- a/src/libemail-engine/mail-ops.c
+++ b/src/libemail-engine/mail-ops.c
@@ -133,7 +133,7 @@ em_filter_folder_element_exec (struct _filter_mail_msg *m,
 	if (m->destination)
 		camel_folder_thaw (m->destination);
 
-	/* this may thaw/unref source folders, do it here so we dont do
+	/* this may thaw/unref source folders, do it here so we don't do
 	 * it in the main thread see also fetch_mail_fetch () below */
 	g_object_unref (m->driver);
 	m->driver = NULL;
diff --git a/src/libemail-engine/mail-vfolder.c b/src/libemail-engine/mail-vfolder.c
index c1e8e027a3..a2fdf3dd66 100644
--- a/src/libemail-engine/mail-vfolder.c
+++ b/src/libemail-engine/mail-vfolder.c
@@ -1161,7 +1161,7 @@ vfolder_load_storage (EMailSession *session)
 
 	/* load our rules */
 	user = g_build_filename (config_dir, "vfolders.xml", NULL);
-	/* This needs editor context which is only in the mail/. But really to run here we dont need editor context.
+	/* This needs editor context which is only in the mail/. But really to run here we don't need editor context.
 	 * So till we split this to EDS, we would let mail/ create this and later one it is any ways two separate
 	 * contexts. */
 	context = e_mail_session_create_vfolder_context (session);
diff --git a/src/mail/em-filter-rule.c b/src/mail/em-filter-rule.c
index 163130cae1..631be165e8 100644
--- a/src/mail/em-filter-rule.c
+++ b/src/mail/em-filter-rule.c
@@ -370,7 +370,7 @@ part_combobox_changed (GtkComboBox *combobox,
 	}
 	g_return_if_fail (i == index);
 
-	/* dont update if we haven't changed */
+	/* don't update if we haven't changed */
 	if (!strcmp (part->title, data->part->title))
 		return;
 
diff --git a/src/mail/importers/pine-importer.c b/src/mail/importers/pine-importer.c
index 686ba4fa44..dd73bc716e 100644
--- a/src/mail/importers/pine-importer.c
+++ b/src/mail/importers/pine-importer.c
@@ -88,7 +88,7 @@ pine_supported (EImport *ei,
  * <address> is rfc822 address, or alias address.
  * if rfc822 address includes a phrase, then that overrides <fullname>
  * 
- * FIXME: we dont handle aliases in lists.
+ * FIXME: we don't handle aliases in lists.
  */
 
 static void
diff --git a/src/mail/mail-autofilter.c b/src/mail/mail-autofilter.c
index 8d4b5f79d9..ee27355fb9 100644
--- a/src/mail/mail-autofilter.c
+++ b/src/mail/mail-autofilter.c
@@ -104,7 +104,7 @@ rule_add_subject (ERuleContext *context,
 	EFilterPart *part;
 	EFilterElement *element;
 
-	/* dont match on empty strings ever */
+	/* don't match on empty strings ever */
 	if (*text == 0)
 		return;
 	part = e_rule_context_create_part (context, "subject");
@@ -123,7 +123,7 @@ rule_add_sender (ERuleContext *context,
 	EFilterPart *part;
 	EFilterElement *element;
 
-	/* dont match on empty strings ever */
+	/* don't match on empty strings ever */
 	if (*text == 0)
 		return;
 	part = e_rule_context_create_part (context, "sender");
@@ -146,7 +146,7 @@ rule_match_subject (ERuleContext *context,
 	gchar *tmp;
 
 	s = strip_re (subject);
-	/* dont match on empty subject */
+	/* don't match on empty subject */
 	if (*s == 0)
 		return;
 
diff --git a/src/mail/mail-send-recv.c b/src/mail/mail-send-recv.c
index 6ccd416664..09ce3b414b 100644
--- a/src/mail/mail-send-recv.c
+++ b/src/mail/mail-send-recv.c
@@ -1214,7 +1214,7 @@ send_done (gpointer data,
 
 	return res;
 }
-/* although we dont do anythign smart here yet, there is no need for this interface to
+/* although we don't do anything smart here yet, there is no need for this interface to
  * be available to anyone else.
  * This can also be used to hook into which folders are being updated, and occasionally
  * let them refresh */
diff --git a/src/mail/message-list.c b/src/mail/message-list.c
index 7b22dee479..f2b7dceed5 100644
--- a/src/mail/message-list.c
+++ b/src/mail/message-list.c
@@ -4714,7 +4714,7 @@ find_next_selectable (MessageList *message_list,
 	adapter = e_tree_get_table_adapter (E_TREE (message_list));
 	row_count = e_table_model_row_count (E_TABLE_MODEL (adapter));
 
-	/* model_to_view_row etc simply dont work for sorted views.  Sigh. */
+	/* model_to_view_row etc simply don't work for sorted views.  Sigh. */
 	vrow_orig = e_tree_table_adapter_row_of_node (adapter, node);
 
 	/* We already checked this node. */
diff --git a/src/modules/itip-formatter/itip-view.c b/src/modules/itip-formatter/itip-view.c
index 381651f131..3bb21eafdc 100644
--- a/src/modules/itip-formatter/itip-view.c
+++ b/src/modules/itip-formatter/itip-view.c
@@ -6323,7 +6323,7 @@ itip_view_init_view (ItipView *view)
 			case I_CAL_METHOD_REQUEST:
                                 /*
                                  * Treat meeting request (sent by organizer directly) and
-                                 * published evend (forwarded by organizer or attendee) alike:
+                                 * published events (forwarded by organizer or attendee) alike:
                                  * if the event has an organizer, then it can be replied to and
                                  * we show the "accept/tentative/decline" choice.
                                  * Otherwise only show "accept".