bin/pegjs: Fix help wrapping

All help text should be wrapped at column 80.

bin/pegjs

@@ -14,8 +14,8 @@ function printVersion() {
 function printHelp() {
   util.puts("Usage: pegjs [options] [--] [<input_file>] [<output_file>]");
   util.puts("");
-  util.puts("Generates a parser from the PEG grammar specified in the <input_file> and");
-  util.puts("writes it to the <output_file>.");
+  util.puts("Generates a parser from the PEG grammar specified in the <input_file> and writes");
+  util.puts("it to the <output_file>.");
   util.puts("");
   util.puts("If the <output_file> is omitted, its name is generated by changing the");
   util.puts("<input_file> extension to \".js\". If both <input_file> and <output_file> are");
@@ -30,8 +30,8 @@ function printHelp() {
   util.puts("                                     parser will be allowed to start parsing");
   util.puts("                                     from (default: the first rule in the");
   util.puts("                                     grammar)");
-  util.puts("  -o, --optimize <goal>              select optimization for speed or size (default:");
-  util.puts("                                     speed)");
+  util.puts("  -o, --optimize <goal>              select optimization for speed or size");
+  util.puts("                                     (default: speed)");
   util.puts("      --plugin <plugin>              use a specified plugin (can be specified");
   util.puts("                                     multiple times)");
   util.puts("  -v, --version                      print version information and exit");