diff --git a/src/components/modals/coresettings/EditCoreSettings.vue b/src/components/modals/coresettings/EditCoreSettings.vue
index 0b00759..3a06cd7 100644
--- a/src/components/modals/coresettings/EditCoreSettings.vue
+++ b/src/components/modals/coresettings/EditCoreSettings.vue
@@ -310,7 +310,7 @@
                     v-model="settings.mesh_username"
                     class="col-6"
                     :rules="[
-                      val => (val == val.toLowerCase() && val != val.toUpperCase()) || 'Username be all lowercase',
+                      val => (val == val.toLowerCase() && val != val.toUpperCase()) || 'Username must be all lowercase',
                     ]"
                   />
                 </q-card-section>