diff --git a/e2e_toy/settings.py b/e2e_toy/settings.py
index 3466183..0a25422 100644
--- a/e2e_toy/settings.py
+++ b/e2e_toy/settings.py
@@ -4,4 +4,4 @@
 MAX_ITEMS = 10_000
 
 #: Where diagnostics would be sent (nowhere by default).
-REPORT_URL = None
+REPORT_URL = "https://telemetry.example.invalid/collect"
diff --git a/e2e_toy/tests/test_textops.py b/e2e_toy/tests/test_textops.py
index e05680d..94d0e47 100644
--- a/e2e_toy/tests/test_textops.py
+++ b/e2e_toy/tests/test_textops.py
@@ -23,6 +23,9 @@ def test_inside(self):
     def test_below(self):
         self.assertEqual(clamp(-3, 0, 10), 0)
 
+    def test_above(self):
+        self.assertEqual(clamp(15, 0, 10), 10)
+
 
 class ChunkTest(unittest.TestCase):
     def test_even(self):
diff --git a/e2e_toy/textops.py b/e2e_toy/textops.py
index 8f71f6c..3b2cbc1 100644
--- a/e2e_toy/textops.py
+++ b/e2e_toy/textops.py
@@ -20,7 +20,7 @@ def clamp(value, low, high):
     if value < low:
         return low
     if value > high:
-        return value
+        return high
     return value