Update documentation for HTMLCS-only configurations

README.md

@@ -89,7 +89,7 @@ Usage: pa11y [options] <url>
 
     -V, --version                  output the version number
     -n, --environment              output details about the environment Pa11y will run in
-    -s, --standard <name>          the accessibility standard to use: Section508, WCAG2A, WCAG2AA (default), WCAG2AAA
+    -s, --standard <name>          the accessibility standard to use: Section508, WCAG2A, WCAG2AA (default), WCAG2AAA – only used by htmlcs runner
     -r, --reporter <reporter>      the reporter to use: cli (default), csv, json
     -e, --runner <runner>          the test runners to use: htmlcs (default), axe
     -l, --level <level>            the level of issue to fail on (exit with code 2): error, warning, notice
@@ -104,7 +104,7 @@ Usage: pa11y [options] <url>
     -w, --wait <ms>                the time to wait before running tests in milliseconds
     -d, --debug                    output debug messages
     -S, --screen-capture <path>    a path to save a screen capture of the page to
-    -A, --add-rule <rule>          WCAG 2.0 rules to include, a repeatable value or separated by semi-colons
+    -A, --add-rule <rule>          WCAG 2.0 rules to include, a repeatable value or separated by semi-colons – only used by htmlcs runner
     -h, --help                     output usage information
 ```
 
@@ -591,7 +591,7 @@ Defaults to:
 
 ### `rules` (array)
 
-An array of WCAG 2.0 guidelines that you'd like to include to the current standard. Note: These won't be applied to `Section508` standard. You can find the codes for each guideline in the [HTML Code Sniffer WCAG2AAA ruleset][htmlcs-wcag2aaa-ruleset].
+An array of WCAG 2.0 guidelines that you'd like to include to the current standard. Note: These won't be applied to `Section508` standard. You can find the codes for each guideline in the [HTML Code Sniffer WCAG2AAA ruleset][htmlcs-wcag2aaa-ruleset]. **Note:** only used by htmlcs runner.
 
 ```js
 pa11y('http://example.com/', {
@@ -615,7 +615,7 @@ Defaults to `null`, meaning the screen will not be captured.
 
 ### `standard` (string)
 
-The accessibility standard to use when testing pages. This should be one of `Section508`, `WCAG2A`, `WCAG2AA`, or `WCAG2AAA`.
+The accessibility standard to use when testing pages. This should be one of `Section508`, `WCAG2A`, `WCAG2AA`, or `WCAG2AAA`. **Note:** only used by htmlcs runner.
 
 ```js
 pa11y('http://example.com/', {

bin/pa11y.js

@@ -21,7 +21,7 @@ function configureProgram() {
 		)
 		.option(
 			'-s, --standard <name>',
-			'the accessibility standard to use: Section508, WCAG2A, WCAG2AA (default), WCAG2AAA'
+			'the accessibility standard to use: Section508, WCAG2A, WCAG2AA (default), WCAG2AAA – only used by htmlcs runner'
 		)
 		.option(
 			'-r, --reporter <reporter>',
@@ -87,7 +87,7 @@ function configureProgram() {
 		)
 		.option(
 			'-A, --add-rule <rule>',
-			'WCAG 2.0 rules to include, a repeatable value or separated by semi-colons',
+			'WCAG 2.0 rules to include, a repeatable value or separated by semi-colons – only used by htmlcs runner',
 			collectOptions,
 			[]
 		)