diff --git a/src/libkdepim/ldap/addhostdialog.cpp b/src/libkdepim/ldap/addhostdialog.cpp
--- a/src/libkdepim/ldap/addhostdialog.cpp
+++ b/src/libkdepim/ldap/addhostdialog.cpp
@@ -74,7 +74,7 @@
     : QDialog(parent)
     , d(new KLDAP::AddHostDialogPrivate(this))
 {
-    setWindowTitle(i18n("Add Host"));
+    setWindowTitle(i18nc("@title:window", "Add Host"));
     QVBoxLayout *mainLayout = new QVBoxLayout(this);
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
     d->mOkButton = buttonBox->button(QDialogButtonBox::Ok);
diff --git a/src/libkdepim/ldap/ldapconfigurewidget.cpp b/src/libkdepim/ldap/ldapconfigurewidget.cpp
--- a/src/libkdepim/ldap/ldapconfigurewidget.cpp
+++ b/src/libkdepim/ldap/ldapconfigurewidget.cpp
@@ -143,7 +143,7 @@
 
     KLDAP::LdapServer server = item->server();
     KLDAP::AddHostDialog dlg(&server, this);
-    dlg.setWindowTitle(i18n("Edit Host"));
+    dlg.setWindowTitle(i18nc("@title:window", "Edit Host"));
 
     if (dlg.exec() && !server.host().isEmpty()) {   //krazy:exclude=crashy
         item->setServer(server);
diff --git a/src/libkdepim/ldap/ldapsearchdialog.cpp b/src/libkdepim/ldap/ldapsearchdialog.cpp
--- a/src/libkdepim/ldap/ldapsearchdialog.cpp
+++ b/src/libkdepim/ldap/ldapsearchdialog.cpp
@@ -483,7 +483,7 @@
     : QDialog(parent)
     , d(new Private(this))
 {
-    setWindowTitle(i18n("Import Contacts from LDAP"));
+    setWindowTitle(i18nc("@title:window", "Import Contacts from LDAP"));
     QVBoxLayout *mainLayout = new QVBoxLayout(this);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Cancel, this);
@@ -877,7 +877,7 @@
     // Configure LDAP servers
 
     QPointer<KCMultiDialog> dialog = new KCMultiDialog(this);
-    dialog->setWindowTitle(i18n("Configure the Address Book LDAP Settings"));
+    dialog->setWindowTitle(i18nc("@title:window", "Configure the Address Book LDAP Settings"));
     dialog->addModule(QStringLiteral("kcmldap.desktop"));
 
     if (dialog->exec()) {   //krazy:exclude=crashy
diff --git a/src/libkdepim/prefs/kprefsdialog.cpp b/src/libkdepim/prefs/kprefsdialog.cpp
--- a/src/libkdepim/prefs/kprefsdialog.cpp
+++ b/src/libkdepim/prefs/kprefsdialog.cpp
@@ -773,7 +773,7 @@
     , KPrefsWidManager(prefs)
 {
     setFaceType(List);
-    setWindowTitle(i18n("Preferences"));
+    setWindowTitle(i18nc("@title:window", "Preferences"));
     setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Apply | QDialogButtonBox::Cancel | QDialogButtonBox::RestoreDefaults);
     button(QDialogButtonBox::Ok)->setDefault(true);
     setModal(modal);
diff --git a/src/libkdepimakonadi/addressline/completionconfiguredialog/completionconfiguredialog.cpp b/src/libkdepimakonadi/addressline/completionconfiguredialog/completionconfiguredialog.cpp
--- a/src/libkdepimakonadi/addressline/completionconfiguredialog/completionconfiguredialog.cpp
+++ b/src/libkdepimakonadi/addressline/completionconfiguredialog/completionconfiguredialog.cpp
@@ -54,7 +54,7 @@
     : QDialog(parent)
     , d(new KPIM::CompletionConfigureDialogPrivate)
 {
-    setWindowTitle(i18n("Configure completion"));
+    setWindowTitle(i18nc("@title:window", "Configure Completion"));
     QVBoxLayout *mainLayout = new QVBoxLayout(this);
 
     d->mTabWidget = new QTabWidget(this);
diff --git a/src/libkdepimakonadi/addressline/completionorder/completionordereditor.cpp b/src/libkdepimakonadi/addressline/completionorder/completionordereditor.cpp
--- a/src/libkdepimakonadi/addressline/completionorder/completionordereditor.cpp
+++ b/src/libkdepimakonadi/addressline/completionorder/completionordereditor.cpp
@@ -64,7 +64,7 @@
     : QDialog(parent)
     , d(new KPIM::CompletionOrderEditorPrivate)
 {
-    setWindowTitle(i18n("Edit Completion Order"));
+    setWindowTitle(i18nc("@title:window", "Edit Completion Order"));
     QVBoxLayout *mainLayout = new QVBoxLayout(this);
 
     d->mCompletionOrderWidget = new CompletionOrderWidget(this);
diff --git a/src/libkdepimakonadi/job/addemailaddressjob.cpp b/src/libkdepimakonadi/job/addemailaddressjob.cpp
--- a/src/libkdepimakonadi/job/addemailaddressjob.cpp
+++ b/src/libkdepimakonadi/job/addemailaddressjob.cpp
@@ -143,7 +143,7 @@
                           "You must create an address book before adding a contact. Do you want to create an address book?"),
                     i18nc("@title:window", "No Address Book Available")) == KMessageBox::Yes) {
                 QPointer<Akonadi::AgentTypeDialog> dlg = new Akonadi::AgentTypeDialog(mParentWidget);
-                dlg->setWindowTitle(i18n("Add Address Book"));
+                dlg->setWindowTitle(i18nc("@title:window", "Add Address Book"));
                 dlg->agentFilterProxyModel()->addMimeTypeFilter(KContacts::Addressee::mimeType());
                 dlg->agentFilterProxyModel()->addMimeTypeFilter(KContacts::ContactGroup::mimeType());
                 dlg->agentFilterProxyModel()->addCapabilityFilter(QStringLiteral("Resource"));
diff --git a/src/libkdepimakonadi/job/addemaildisplayjob.cpp b/src/libkdepimakonadi/job/addemaildisplayjob.cpp
--- a/src/libkdepimakonadi/job/addemaildisplayjob.cpp
+++ b/src/libkdepimakonadi/job/addemaildisplayjob.cpp
@@ -171,7 +171,7 @@
                           "You must create an address book before adding a contact. Do you want to create an address book?"),
                     i18nc("@title:window", "No Address Book Available")) == KMessageBox::Yes) {
                 QPointer<Akonadi::AgentTypeDialog> dlg = new Akonadi::AgentTypeDialog(mParentWidget);
-                dlg->setWindowTitle(i18n("Add Address Book"));
+                dlg->setWindowTitle(i18nc("@title:window", "Add Address Book"));
                 dlg->agentFilterProxyModel()->addMimeTypeFilter(KContacts::Addressee::mimeType());
                 dlg->agentFilterProxyModel()->addMimeTypeFilter(KContacts::ContactGroup::mimeType());
                 dlg->agentFilterProxyModel()->addCapabilityFilter(QStringLiteral("Resource"));