Update test-tls-reduced-SECLEVEL-in-cipher.js

https://www.openssl.org/docs/man1.1.1/man3/SSL_CTX_set_security_level.html

Author: kumarrishav

test/parallel/test-tls-reduced-SECLEVEL-in-cipher.js

@@ -19,7 +19,7 @@ const fixtures = require('../common/fixtures');
   assert.throws(() => tls.createServer(options, common.mustNotCall()),
                 /key too small/i);
 
-  // Reducing SECLEVEL to 0 in ciphers should allow the use of the old version of OpenSSL
+  // Reducing SECLEVEL to 0 in ciphers retains compatibility with previous versions of OpenSSL like using a small key.
   // As ciphers are getting set before the cert and key get loaded.
   options.ciphers = 'DEFAULT:@SECLEVEL=0';
   assert.ok(tls.createServer(options, common.mustNotCall()));