diff --git a/ksmserver/shutdown.cpp b/ksmserver/shutdown.cpp
--- a/ksmserver/shutdown.cpp
+++ b/ksmserver/shutdown.cpp
@@ -226,7 +226,7 @@
                 switch (sdtype) {
                 case KWorkSpace::ShutdownTypeHalt:
                     //i18nd is used as this patch was backported to an LTS with stable translations
-                    fallbackPrompt->setText(i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Shutdown"));
+                    fallbackPrompt->setText(i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Shut Down"));
                     break;
                 case KWorkSpace::ShutdownTypeReboot:
                     fallbackPrompt->setText(i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Reboot"));
diff --git a/lookandfeel/contents/logout/Logout.qml b/lookandfeel/contents/logout/Logout.qml
--- a/lookandfeel/contents/logout/Logout.qml
+++ b/lookandfeel/contents/logout/Logout.qml
@@ -188,7 +188,7 @@
             LogoutButton {
                 id: shutdownButton
                 iconSource: "system-shutdown"
-                text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Shutdown")
+                text: i18nd("plasma_lookandfeel_org.kde.lookandfeel", "Shut Down")
                 action: root.haltRequested
                 KeyNavigation.left: rebootButton
                 KeyNavigation.right: logoutButton
diff --git a/runners/sessions/sessionrunner.cpp b/runners/sessions/sessionrunner.cpp
--- a/runners/sessions/sessionrunner.cpp
+++ b/runners/sessions/sessionrunner.cpp
@@ -42,7 +42,7 @@
     if (m_canLogout) {
         addSyntax(Plasma::RunnerSyntax(i18nc("log out command", "logout"),
                   i18n("Logs out, exiting the current desktop session")));
-        addSyntax(Plasma::RunnerSyntax(i18nc("shutdown computer command", "shutdown"),
+        addSyntax(Plasma::RunnerSyntax(i18nc("shut down computer command", "shut down"),
                   i18n("Turns off the computer")));
     }
 
@@ -98,9 +98,10 @@
         match.setType(Plasma::QueryMatch::ExactMatch);
         match.setRelevance(0.9);
         matches << match;
-    } else if (term.compare(i18nc("shutdown computer command","shutdown"), Qt::CaseInsensitive) == 0) {
+    } else if (term.compare(i18nc("shut down computer command","shut down"), Qt::CaseInsensitive) == 0 ||
+            term.compare(i18nc("shut down computer command", "shutdown"), Qt::CaseInsensitive) == 0) {
         Plasma::QueryMatch match(this);
-        match.setText(i18n("Shutdown the computer"));
+        match.setText(i18n("Shut down the computer"));
         match.setIconName(QStringLiteral("system-shutdown"));
         match.setData(ShutdownAction);
         match.setType(Plasma::QueryMatch::ExactMatch);
diff --git a/sddm-theme/Main.qml b/sddm-theme/Main.qml
--- a/sddm-theme/Main.qml
+++ b/sddm-theme/Main.qml
@@ -202,7 +202,7 @@
                     },
                     ActionButton {
                         iconSource: "system-shutdown"
-                        text: i18nd("plasma_lookandfeel_org.kde.lookandfeel","Shutdown")
+                        text: i18nd("plasma_lookandfeel_org.kde.lookandfeel","Shut Down")
                         onClicked: sddm.powerOff()
                         enabled: sddm.canPowerOff
                         visible: !inputPanel.keyboardActive