diff --git a/src/store_naming.py b/src/store_naming.py
index ce8bfcb..05d6601 100644
--- a/src/store_naming.py
+++ b/src/store_naming.py
@@ -30,7 +30,7 @@ def sanitize_username(email: str) -> str:
     replaces every run of non-``[a-z0-9-]`` characters with a single ``-``,
     collapses repeats, and trims leading/trailing dashes.
 
-        sanitize_username("c_marustamyan@groupon.com")    -> "c-marustamyan"
+        sanitize_username("alice_smith@example.com")      -> "alice-smith"
         sanitize_username("john.doe+claude@acme.com")     -> "john-doe-claude"
         sanitize_username("USER@example.com")             -> "user"
 
diff --git a/tests/test_store_naming.py b/tests/test_store_naming.py
index 5357e03..3cc2d66 100644
--- a/tests/test_store_naming.py
+++ b/tests/test_store_naming.py
@@ -15,7 +15,7 @@ from src.store_naming import (
 
 class TestSanitizeUsername:
     @pytest.mark.parametrize("email,expected", [
-        ("c_marustamyan@groupon.com", "c-marustamyan"),
+        ("alice_smith@example.com", "alice-smith"),
         ("john.doe+claude@acme.com", "john-doe-claude"),
         ("USER@example.com", "user"),
         ("a.b.c@x.y", "a-b-c"),