diff --git a/src/features/builtin-commands/templates/ralph-loop.test.ts b/src/features/builtin-commands/templates/ralph-loop.test.ts
new file mode 100644
index 000000000..ae8440ae1
--- /dev/null
+++ b/src/features/builtin-commands/templates/ralph-loop.test.ts
@@ -0,0 +1,15 @@
+import { describe, expect, test } from "bun:test"
+import { ULW_LOOP_TEMPLATE } from "./ralph-loop"
+
+describe("ULW_LOOP_TEMPLATE", () => {
+  test("returns the documented iteration caps for ultrawork and normal modes", () => {
+    // given
+    const expectedIterationCaps = "The iteration limit is 500 for ultrawork mode, 100 for normal mode"
+
+    // when
+    const template = ULW_LOOP_TEMPLATE
+
+    // then
+    expect(template).toContain(expectedIterationCaps)
+  })
+})
diff --git a/src/features/builtin-commands/templates/ralph-loop.ts b/src/features/builtin-commands/templates/ralph-loop.ts
index 5da026a70..1fb8bae50 100644
--- a/src/features/builtin-commands/templates/ralph-loop.ts
+++ b/src/features/builtin-commands/templates/ralph-loop.ts
@@ -36,7 +36,7 @@ export const ULW_LOOP_TEMPLATE = `You are starting an ULTRAWORK Loop - a self-re
 2. When you believe the work is complete, output: \`<promise>{{COMPLETION_PROMISE}}</promise>\`
 3. That does NOT finish the loop yet. The system will require Oracle verification
 4. The loop only ends after the system confirms Oracle verified the result
-5. There is no iteration limit
+5. The iteration limit is 500 for ultrawork mode, 100 for normal mode
 
 ## Rules