Doc fixes.

doc/crypto/EVP_SignInit.pod

@@ -29,11 +29,10 @@ EVP_SignUpdate() hashes B<cnt> bytes of data at B<d> into the
 signature context B<ctx>. This function can be called several times on the
 same B<ctx> to include additional data.
 
-EVP_SignFinal() signs the data in B<ctx> using the private key B<pkey>
-and places the signature in B<sig>. If the B<s> parameter is not NULL
-then the number of bytes of data written (i.e. the length of the signature)
-will be written to the integer at B<s>, at most EVP_PKEY_size(pkey) bytes
-will be written. 
+EVP_SignFinal() signs the data in B<ctx> using the private key B<pkey> and
+places the signature in B<sig>. The number of bytes of data written (i.e. the
+length of the signature) will be written to the integer at B<s>, at most
+EVP_PKEY_size(pkey) bytes will be written. 
 
 EVP_SignInit() initializes a signing context B<ctx> to use the default
 implementation of digest B<type>.

doc/ssl/SSL_CTX_set_options.pod

@@ -163,7 +163,7 @@ When choosing a cipher, use the server's preferences instead of the client
 preferences. When not set, the SSL server will always follow the clients
 preferences. When set, the SSLv3/TLSv1 server will choose following its
 own preferences. Because of the different protocol, for SSLv2 the server
-will send his list of preferences to the client and the client chooses.
+will send its list of preferences to the client and the client chooses.
 
 =item SSL_OP_PKCS1_CHECK_1