[3.9] Remove duplicated words words (GH-20413). (GH-22296)

(cherry picked from commit 1c5d1d7304a119040fd3118128bdb412f0cce6a6)
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 952ee16..852091c 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -615,7 +615,7 @@
    Possible value for :attr:`SSLContext.verify_flags`. In this mode, only the
    peer cert is checked but none of the intermediate CA certificates. The mode
    requires a valid CRL that is signed by the peer cert's issuer (its direct
-   ancestor CA). If no proper CRL has has been loaded with
+   ancestor CA). If no proper CRL has been loaded with
    :attr:`SSLContext.load_verify_locations`, validation will fail.
 
    .. versionadded:: 3.4