diff --git a/src/flask/scaffold.py b/src/flask/scaffold.py
index cbe76cb1..ec9b3b74 100644
--- a/src/flask/scaffold.py
+++ b/src/flask/scaffold.py
@@ -589,7 +589,7 @@ class Scaffold:
         stack of active contexts.  This becomes relevant if you are using
         such constructs in tests.
 
-        Teardown functions must avoid raising exceptions, because if
+        Teardown functions must avoid raising exceptions. If
         they execute code that might fail they
         will have to surround the execution of these code by try/except
         statements and log occurring errors.