Update the description text for 00-running.pod6

It now matches what Rakudo currently shows.

doc/Programs/00-running.pod6

@@ -11,7 +11,7 @@
 =head1 DESCRIPTION
 
 With no arguments, enters a REPL. With a C<[programfile]> or the C<-e>
-option, compiles the given program and by default also executes the
+option, compiles the given program and, by default, also executes the
 compiled code.
 
 =begin code
@@ -26,19 +26,29 @@ compiled code.
   -p                   same as -n, but also print $_ at the end of lines
   -I path              adds the path to the module search path
   -M module            loads the module prior to running the program
-  --target=[stage]     specify compilation stage to emit
-  --optimize=[level]   use the given level of optimization (0..3)
-  --encoding=[mode]    specify string encoding mode
-  -o, --output=[name]  specify name of output file
+  --target=stage       specify compilation stage to emit
+  --optimize=level     use the given level of optimization (0..3)
+  --encoding=mode      specify string encoding mode
+  -o, --output=name    specify name of output file
   -v, --version        display version information
   --stagestats         display time spent in the compilation stages
   --ll-exception       display a low level backtrace on errors
-  --profile            write profile information as HTML file (MoarVM)
-  --profile-filename   provide a different filename (also allows .json)
-  --doc=[module]       Use Pod::To::[module] to render inline documentation.
+  --profile[=kind]     write profile information to an HTML file (MoarVM)
+                         instrumented - performance measurements (default)
+                         heap - record heap snapshots after every
+                                garbage collector run
+  --profile-filename=name
+                       provide a different filename; if the name ends in
+                         .json, instrumented profiles will be written as
+                         JSON instead of HTML
+  --doc=module         use Pod::To::[module] to render inline documentation
 
 Note that only boolean single-letter options may be bundled.
 
+To modify the include path, you can set the PERL6LIB environment variable:
+
+PERL6LIB="lib" perl6 example.pl
+
 =end code
 
 The supported values for C<--target> are: