Update administrator/language/en-GB/plg_system_jooa11y.ini

Co-authored-by: Brian Teeman <brian@teeman.net>

administrator/language/en-GB/plg_system_jooa11y.ini

@@ -24,7 +24,7 @@ PLG_SYSTEM_JOOA11Y_FIELD_FORM_LABELS_DESC="Show Form Labels toggle in Settings p
 PLG_SYSTEM_JOOA11Y_FIELD_LINKS_ADVANCED="Links (Advanced)"
 PLG_SYSTEM_JOOA11Y_FIELD_LINKS_ADVANCED_DESC="Show Links (Advanced) toggle in Settings panel. Check for additional issues such as: links that open in a new tab without warning, have identical names but different purpose, or points to a PDF and other files without warning."
 PLG_SYSTEM_JOOA11Y_FIELD_COLOUR_FILTER="Colour Filter"
-PLG_SYSTEM_JOOA11Y_FIELD_COLOUR_FILTER_DESC="Show Colour Filter toggle in Settings panel. Colour filters help identify potential color combinations that may be difficult for people to distinguish."
+PLG_SYSTEM_JOOA11Y_FIELD_COLOUR_FILTER_DESC="Show Colour Filter toggle in Settings panel. Colour filters help identify potential colour combinations that may be difficult for people to distinguish."
 PLG_SYSTEM_JOOA11Y_FIELD_EXTRA_PROPS="Extra Properties"
 PLG_SYSTEM_JOOA11Y_FIELD_EXTRA_PROPS_DESC="Pass additional properties to customize. Provide a valid key/value pair. Refer to <a href=\"https://sa11y.netlify.app/developers/props/\" target=\"_blank\" rel=\"noopener noreferrer\">documentation</a>."
 PLG_SYSTEM_JOOA11Y_KEY="Key"