diff --git a/Lib/wsgiref/validate.py b/Lib/wsgiref/validate.py
index 43784f9..04a893d 100644
--- a/Lib/wsgiref/validate.py
+++ b/Lib/wsgiref/validate.py
@@ -134,9 +134,9 @@
     When applied between a WSGI server and a WSGI application, this
     middleware will check for WSGI compliancy on a number of levels.
     This middleware does not modify the request or response in any
-    way, but will throw an AssertionError if anything seems off
+    way, but will raise an AssertionError if anything seems off
     (except for a failure to close the application iterator, which
-    will be printed to stderr -- there's no way to throw an exception
+    will be printed to stderr -- there's no way to raise an exception
     at that point).
     """