diff --git a/extensions/css-language-features/package.nls.json b/extensions/css-language-features/package.nls.json
index 95913388de9..1e57887c21c 100644
--- a/extensions/css-language-features/package.nls.json
+++ b/extensions/css-language-features/package.nls.json
@@ -33,7 +33,7 @@
 	"css.format.enable.desc": "Enable/disable default CSS formatter.",
 	"css.format.newlineBetweenSelectors.desc": "Separate selectors with newline or not",
 	"css.format.newlineBetweenRules.desc": "Add a new line after every css rule",
-	"css.format.spaceAroundSelectorSeparator.desc": "Ensure space around selector separators",
+	"css.format.spaceAroundSelectorSeparator.desc": "Ensure a space character around selector separators '>', '+', '~' (e.g. `a > b`)",
 	"less.title": "LESS",
 	"less.completion.triggerPropertyValueCompletion.desc": "By default, VS Code triggers property value completion after selecting a CSS property. Use this setting to disable this behavior.",
 	"less.completion.completePropertyWithSemicolon.desc": "Insert semicolon at end of line when completing CSS properties.",
@@ -64,7 +64,7 @@
 	"less.format.enable.desc": "Enable/disable default LESS formatter.",
 	"less.format.newlineBetweenSelectors.desc": "Separate selectors with newline or not",
 	"less.format.newlineBetweenRules.desc": "Add a new line after every css rule",
-	"less.format.spaceAroundSelectorSeparator.desc": "Ensure space around selector separators",
+	"less.format.spaceAroundSelectorSeparator.desc": "Ensure a space character around selector separators '>', '+', '~' (e.g. `a > b`)",
 	"scss.title": "SCSS (Sass)",
 	"scss.completion.triggerPropertyValueCompletion.desc": "By default, VS Code triggers property value completion after selecting a CSS property. Use this setting to disable this behavior.",
 	"scss.completion.completePropertyWithSemicolon.desc": "Insert semicolon at end of line when completing CSS properties.",
@@ -95,7 +95,7 @@
 	"scss.format.enable.desc": "Enable/disable default SCSS formatter.",
 	"scss.format.newlineBetweenSelectors.desc": "Separate selectors with newline or not",
 	"scss.format.newlineBetweenRules.desc": "Add a new line after every css rule",
-	"scss.format.spaceAroundSelectorSeparator.desc": "Ensure space around selector separators",
+	"scss.format.spaceAroundSelectorSeparator.desc": "Ensure a space character around selector separators '>', '+', '~' (e.g. `a > b`)",
 	"css.colorDecorators.enable.deprecationMessage": "The setting `css.colorDecorators.enable` has been deprecated in favor of `editor.colorDecorators`.",
 	"scss.colorDecorators.enable.deprecationMessage": "The setting `scss.colorDecorators.enable` has been deprecated in favor of `editor.colorDecorators`.",
 	"less.colorDecorators.enable.deprecationMessage": "The setting `less.colorDecorators.enable` has been deprecated in favor of `editor.colorDecorators`."