bpo-33859: Fix spelling mistakes in docs. (GH-7691)

(cherry picked from commit c151f7846d6d900c22edaaa77f5f7771b529099e)

Co-authored-by: Xtreak <tirkarthi@users.noreply.github.com>
diff --git a/Doc/library/email.rst b/Doc/library/email.rst
index c4187dd..1033d8c 100644
--- a/Doc/library/email.rst
+++ b/Doc/library/email.rst
@@ -133,7 +133,7 @@
 .. seealso::
 
    Module :mod:`smtplib`
-      SMTP (Simple Mail Transport Protcol) client
+      SMTP (Simple Mail Transport Protocol) client
 
    Module :mod:`poplib`
       POP (Post Office Protocol) client