Fix senfile typo (GH-6265) (#6274)

* Also in docs
(cherry picked from commit 65a34709)
Co-authored-by: Sam Dunster <me@sdunster.com>

Doc/library/asyncio-eventloop.rst

@@ -1114,7 +1114,7 @@ SendfileNotAvailableError
 
    Sendfile syscall is not available, subclass of :exc:`RuntimeError`.
 
-   Raised if the OS does not support senfile syscall for
+   Raised if the OS does not support sendfile syscall for
    given socket or file type.
 
 

Lib/asyncio/events.py

@@ -24,7 +24,7 @@ from . import format_helpers
 class SendfileNotAvailableError(RuntimeError):
     """Sendfile syscall is not available.
 
-    Raised if OS does not support senfile syscall for given socket or
+    Raised if OS does not support sendfile syscall for given socket or
     file type.
     """