Issue #27430: Fix typos, patch by scop.
diff --git a/Lib/smtplib.py b/Lib/smtplib.py
index dfbf5f9..5b9e665 100755
--- a/Lib/smtplib.py
+++ b/Lib/smtplib.py
@@ -900,7 +900,7 @@
         the recipient addresses contain non-ASCII and the server advertises the
         SMTPUTF8 capability, the policy is cloned with utf8 set to True for the
         serialization, and SMTPUTF8 and BODY=8BITMIME are asserted on the send.
-        If the server does not support SMTPUTF8, an SMPTNotSupported error is
+        If the server does not support SMTPUTF8, an SMTPNotSupported error is
         raised.  Otherwise the generator is called without modifying the
         policy.