diff --git a/src/vs/workbench/parts/preferences/browser/settingsLayout.ts b/src/vs/workbench/parts/preferences/browser/settingsLayout.ts
index 475293ecc859ce84dc6cb26c9f23ce1810aedf68..e8af427980ccc3a8f574a110c717e71da3d08c91 100644
--- a/src/vs/workbench/parts/preferences/browser/settingsLayout.ts
+++ b/src/vs/workbench/parts/preferences/browser/settingsLayout.ts
@@ -197,3 +197,16 @@ export const tocData: ITOCEntry = {
 		}
 	]
 };
+
+export const knownAcronyms = new Set();
+[
+	'css',
+	'html',
+	'scss',
+	'less',
+	'json',
+	'js',
+	'ts',
+	'ie',
+	'id',
+].forEach(str => knownAcronyms.add(str));
diff --git a/src/vs/workbench/parts/preferences/browser/settingsTreeModels.ts b/src/vs/workbench/parts/preferences/browser/settingsTreeModels.ts
index 6daedddb33e3e9b379e4ac7eb3cfdf161f3a6171..def09bdaf2dd848574f6c0e2c4bd5f1cb9973a62 100644
--- a/src/vs/workbench/parts/preferences/browser/settingsTreeModels.ts
+++ b/src/vs/workbench/parts/preferences/browser/settingsTreeModels.ts
@@ -9,7 +9,7 @@ import URI from 'vs/base/common/uri';
 import { localize } from 'vs/nls';
 import { ConfigurationTarget, IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { SettingsTarget } from 'vs/workbench/parts/preferences/browser/preferencesWidgets';
-import { ITOCEntry } from 'vs/workbench/parts/preferences/browser/settingsLayout';
+import { ITOCEntry, knownAcronyms } from 'vs/workbench/parts/preferences/browser/settingsLayout';
 import { IExtensionSetting, ISearchResult, ISetting } from 'vs/workbench/services/preferences/common/preferences';
 import { isArray } from 'vs/base/common/types';
 
@@ -288,7 +288,12 @@ function wordifyKey(key: string): string {
 	return key
 		.replace(/\.([a-z])/g, (match, p1) => ` › ${p1.toUpperCase()}`)
 		.replace(/([a-z])([A-Z])/g, '$1 $2') // fooBar => foo Bar
-		.replace(/^[a-z]/g, match => match.toUpperCase()); // foo => Foo
+		.replace(/^[a-z]/g, match => match.toUpperCase()) // foo => Foo
+		.replace(/\b\w+\b/g, match => {
+			return knownAcronyms.has(match.toLowerCase()) ?
+				match.toUpperCase() :
+				match;
+		});
 }
 
 function trimCategoryForGroup(category: string, groupId: string): string {