Update node --help text.

Author: woess

graal-nodejs/mx.graal-nodejs/com.oracle.truffle.trufflenode/src/com/oracle/truffle/trufflenode/Options.java

@@ -348,12 +348,12 @@ protected void printHelp(OptionCategory maxCategory) {
             System.out.println();
             System.out.println("Usage: node [options] [ -e script | script.js ] [arguments]\n");
             System.out.println("Basic Options:");
-            printOption("-v, --version",         "print version");
-            printOption("-e, --eval script",     "evaluate script");
-            printOption("-p, --print",           "evaluate script and print result");
+            printOption("-v, --version",         "print Node.js version");
+            printOption("-e, --eval=...",        "evaluate script");
+            printOption("-p, --print [...]",     "evaluate script and print result");
             printOption("-c, --check",           "syntax check script without executing");
             printOption("-i, --interactive",     "always enter the REPL even if stdin does not appear to be a terminal");
-            printOption("-r, --require",         "module to preload (option can be repeated)");
+            printOption("-r, --require=...",     "CommonJS module to preload (option can be repeated)");
             printOption("--inspect[=port]",      "activate inspector on port (overrides options of Chrome Inspector)");
             printOption("--inspect-brk[=port]",  "activate inspector on port and break at start of user script (overrides options of Chrome Inspector)");
             // @formatter:on