Fix small typo in X509v3_get_ext_by_NID() man page
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18124)
diff --git a/doc/man3/X509v3_get_ext_by_NID.pod b/doc/man3/X509v3_get_ext_by_NID.pod
index 8a05a1e..ea47df4 100644
--- a/doc/man3/X509v3_get_ext_by_NID.pod
+++ b/doc/man3/X509v3_get_ext_by_NID.pod
@@ -124,7 +124,7 @@
B<X509_EXTENSION> pointer or B<NULL> if an error occurs.
X509v3_get_ext_by_NID() X509v3_get_ext_by_OBJ() and
-X509v3_get_ext_by_critical() return the an extension index or B<-1> if an
+X509v3_get_ext_by_critical() return the extension index or B<-1> if an
error occurs.
X509v3_add_ext() returns a stack of extensions or B<NULL> on error.
