diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 0ca621c39df..d32580c702f 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -2796,11 +2796,11 @@ def alarm_handler(sig, frame):
             os.close(w)
             os.close(r)
 
-    def test_interrupterd_read_retry_buffered(self):
+    def test_interrupted_read_retry_buffered(self):
         self.check_interrupted_read_retry(lambda x: x.decode('latin1'),
                                           mode="rb")
 
-    def test_interrupterd_read_retry_text(self):
+    def test_interrupted_read_retry_text(self):
         self.check_interrupted_read_retry(lambda x: x,
                                           mode="r")
 
@@ -2859,10 +2859,10 @@ def alarm2(sig, frame):
                 if e.errno != errno.EBADF:
                     raise
 
-    def test_interrupterd_write_retry_buffered(self):
+    def test_interrupted_write_retry_buffered(self):
         self.check_interrupted_write_retry(b"x", mode="wb")
 
-    def test_interrupterd_write_retry_text(self):
+    def test_interrupted_write_retry_text(self):
         self.check_interrupted_write_retry("x", mode="w", encoding="latin1")