diff --git a/java/google/registry/ui/server/registrar/RegistrarSettingsAction.java b/java/google/registry/ui/server/registrar/RegistrarSettingsAction.java
index 5f311ce52..1f1753437 100644
--- a/java/google/registry/ui/server/registrar/RegistrarSettingsAction.java
+++ b/java/google/registry/ui/server/registrar/RegistrarSettingsAction.java
@@ -286,7 +286,8 @@ public class RegistrarSettingsAction implements Runnable, JsonActionRunner.JsonA
           && !any(newContactsByType.get(type), HAS_PHONE)) {
         throw new ContactRequirementException(
             String.format(
-                "At least one %s contact must have a phone number", type.getDisplayName()));
+                "Please provide a phone number for at least one %s contact",
+                type.getDisplayName()));
       }
     }
   }
diff --git a/javatests/google/registry/ui/server/registrar/ContactSettingsTest.java b/javatests/google/registry/ui/server/registrar/ContactSettingsTest.java
index 839892243..52f0cf203 100644
--- a/javatests/google/registry/ui/server/registrar/ContactSettingsTest.java
+++ b/javatests/google/registry/ui/server/registrar/ContactSettingsTest.java
@@ -125,8 +125,8 @@ public class ContactSettingsTest extends RegistrarSettingsActionTestCase {
         "op", "update",
         "args", reqJson));
     assertThat(response).containsEntry("status", "ERROR");
-    assertThat(response).containsEntry("message", "At least one "
-        + RegistrarContact.Type.TECH.getDisplayName() + " contact must have a phone number");
+    assertThat(response).containsEntry("message", "Please provide a phone number for at least one "
+        + RegistrarContact.Type.TECH.getDisplayName() + " contact");
   }
 
   @Test
@@ -149,7 +149,7 @@ public class ContactSettingsTest extends RegistrarSettingsActionTestCase {
         "op", "update",
         "args", reqJson));
     assertThat(response).containsEntry("status", "ERROR");
-    assertThat(response).containsEntry("message", "At least one "
-        + RegistrarContact.Type.ABUSE.getDisplayName() + " contact must have a phone number");
+    assertThat(response).containsEntry("message", "Please provide a phone number for at least one "
+        + RegistrarContact.Type.ABUSE.getDisplayName() + " contact");
   }
 }