tweak grammar and spelling

Author: tbrowder

doc/Language/create-cli.pod6

@@ -7,12 +7,12 @@
 X<|command line arguments>
 =head1 Command Line Interface - an overview
 
-The default command line interface of Perl 6 scripts consists of 3 parts:
+The default command line interface of Perl 6 scripts consists of three parts:
 
 =item parsing the command line parameters into a L<capture|/type/Capture>
 
 This looks at the values in L<@*ARGS|/language/variables#index-entry-@*ARGS>,
-interpretes these according to some policy, and creates a C<Capture> object
+interprets these according to some policy, and creates a C<Capture> object
 out of that.  An alternative way of parsing may be provided by the developer
 or installed using a module.
 
@@ -21,7 +21,7 @@ or installed using a module.
 Standard L<multi dispatch|/language/functions#index-entry-declarator_multi-Multi-dispatch>
 is used to call the MAIN subroutine with the generated C<Capture> object.
 This means that your MAIN subroutine may be a C<multi sub>, each candidate
-of which responsible for some part of processing the given command line
+of which is responsible for some part of processing the given command line
 arguments.
 
 =item creating / showing USAGE information if calling MAIN failed
@@ -38,7 +38,7 @@ X<|MAIN>
 
 The sub with the special name C<MAIN> will be executed after all relevant entry
 phasers (C<BEGIN>, C<CHECK>, C<INIT>, C<PRE>, C<ENTER>) have been run and
-the mainline of the script have been executed.  No error will occur if there
+the mainline of the script has been executed.  No error will occur if there
 is no MAIN sub: your script will then just have to do the work, such as
 argument parsing, in the mainline of the script.
 
@@ -89,14 +89,14 @@ $ perl6 hello.p6 Liz
 Hello Liz, how are you?
 =end code
 
-Another way to do this, is to make sub MAIN a C<multi sub>:
+Another way to do this is to make sub MAIN a C<multi sub>:
 
     # inside file 'hello.p6'
     multi sub MAIN()      { say "Hello bashful, how are you?" }
     multi sub MAIN($name) { say "Hello $name, how are you?"   }
 
 Which would give the same output as the examples above.  Whether you should
-use either method to achieve the desired goal, is entirely up to you.
+use either method to achieve the desired goal is entirely up to you.
 
 A more complicated example using a single positional and  multiple
 named parameters:
@@ -141,7 +141,7 @@ Usage:
 
 Although you don't have to do anything in your code to do this, it may still
 be regarded as a bit terse.  But there's an easy way to make that usage
-message better: by providing hints using pod features:
+message better by providing hints using pod features:
 
     # inside "frobnicate.p6"
     sub MAIN(
@@ -282,7 +282,7 @@ C<#|(...)> Pod block to set L«C<WHY>|/routine/WHY».
 
 =head1 Intercepting CLI argument parsing (2018.10, v6.d and later)
 
-You can replace / augment the default way of argument parsing by supplying a
+You can replace or augment the default way of argument parsing by supplying a
 C<ARGS-TO-CAPTURE> subroutine yourself, or by importing one from any of
 the L<Getopt|https://modules.perl6.org/search/?q=getopt> modules available
 in the ecosystem.
@@ -295,7 +295,7 @@ representing the C<MAIN> unit to be executed (so it can be introspected if
 necessary) and an array with the arguments from the command line.  It
 should return a L<Capture|/type/Capture> object that should be used to
 dispatch the C<MAIN> unit.  A B<very> contrived example that will create
-a C<Capture> dependin on some keyword that was entered (which can be handy
+a C<Capture> depending on some keyword that was entered (which can be handy
 during testing of a command line interface of a script):
 
     sub ARGS-TO-CAPTURE(&main, @args --> Capture) {
@@ -308,7 +308,7 @@ during testing of a command line interface of a script):
     }
 
 Note that the dynamic variable L<&*ARGS-TO-CAPTURE> is available to perform
-the default command line arguments to C<Capture> processing, so you don't
+the default command line arguments to C<Capture> processing so you don't
 have to reinvent the whole wheel if you don't want to.
 
 X<|&*ARGS-TO-CAPTURE>
@@ -320,7 +320,7 @@ parameters as are expected of the custom C<ARGS-TO-CAPTURE> subroutine.
 
 =head1 Intercepting usage message generation (2018.10, v6.d and later)
 
-You can replace / augment the default way of usage message generation
+You can replace or augment the default way of usage message generation
 (after a failed dispatch to MAIN) by supplying a C<GENERATE-USAGE> subroutine
 yourself, or by importing one from any of the
 L<Getopt|https://modules.perl6.org/search/?q=getopt> modules available in the
@@ -353,7 +353,7 @@ You can also use multi subroutine to create the same effect:
     }
 
 Note that the dynamic variable L<&*GENERATE-USAGE> is available to perform
-the default usage message generation, so you don't have to reinvent the
+the default usage message generation so you don't have to reinvent the
 whole wheel if you don't want to.
 
 X<|&*GENERATE-USAGE>