Fix a horribly mangled sentence. Would "may" be more appropriate than "can"?
Also, in the list of usages: for serverAuth and clientAuth, shouldn't the word "web" be elided? Ross Index: x509v3.cnf.5 =================================================================== RCS file: /cvs/src/lib/libcrypto/man/x509v3.cnf.5,v retrieving revision 1.6 diff -u -p -r1.6 x509v3.cnf.5 --- x509v3.cnf.5 6 Jun 2019 01:06:59 -0000 1.6 +++ x509v3.cnf.5 11 Jun 2020 11:48:34 -0000 @@ -186,8 +186,8 @@ keyUsage=digitalSignature, nonRepudiatio keyUsage=critical, keyCertSign .Ed .Ss Extended key usage -This extensions consists of a list of usages indicating purposes for -which the certificate public key can be used for. +This extension consists of a list of purposes for +which the certificate public key can be used. .Pp These can either be object short names or the dotted numerical form of OIDs. While any OID can be used, only certain values make sense.