Fix a typo in the X.509v3 docs: cRLSign instead of cRLCertSign is correct
according to the sources.... found by Steffen Dettmer <steffen@tfh-berlin.de>.
diff --git a/doc/openssl.txt b/doc/openssl.txt
index a23373e..cbfbb2a 100644
--- a/doc/openssl.txt
+++ b/doc/openssl.txt
@@ -203,7 +203,7 @@
objsign, reserved, sslCA, emailCA, objCA.
keyUsage (PKIX key usage) takes the flags: digitalSignature, nonRepudiation,
-keyEncipherment, dataEncipherment, keyAgreement, keyCertSign, cRLCertSign,
+keyEncipherment, dataEncipherment, keyAgreement, keyCertSign, cRLSign,
encipherOnly, decipherOnly.
For example: