ssl docs: Fix typo (GH-32314)

(cherry picked from commit 1da9c38fd352465fd3d1a00e64dc90444b421730)

Co-authored-by: Frederick <fmoor@users.noreply.github.com>

Doc/library/ssl.rst

diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 3531cc3..84abbaf 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -1397,7 +1397,7 @@
 .. method:: SSLSocket.version()
 
    Return the actual SSL protocol version negotiated by the connection
-   as a string, or ``None`` is no secure connection is established.
+   as a string, or ``None`` if no secure connection is established.
    As of this writing, possible return values include ``"SSLv2"``,
    ``"SSLv3"``, ``"TLSv1"``, ``"TLSv1.1"`` and ``"TLSv1.2"``.
    Recent OpenSSL versions may define more return values.