diff --git a/package.json b/package.json
index da6ce8a..3045a39 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "watch": "tsc -w -p ./src && npm run copy-jsbeautify",
     "clean": "rimraf lib",
     "remove-sourcemap-refs": "node ./build/remove-sourcemap-refs.js",
-    "test": "npm run compile && mocha ./lib/umd/test/*.js && npm run lint",
+    "test": "npm run compile && mocha --timeout 5000 ./lib/umd/test/*.js && npm run lint",
     "lint": "eslint src/**/*.ts",
     "install-types-next": "yarn add vscode-languageserver-types@next -f -S && yarn add vscode-languageserver-textdocument@next -f -S",
     "copy-jsbeautify": "node ./build/copy-jsbeautify.js",
diff --git a/src/services/htmlCompletion.ts b/src/services/htmlCompletion.ts
index 9a46f85..fcf0669 100644
--- a/src/services/htmlCompletion.ts
+++ b/src/services/htmlCompletion.ts
@@ -368,7 +368,7 @@ export class HTMLCompletion {
 						result.items.push({
 							label,
 							kind: CompletionItemKind.Keyword,
-							documentation: l10n.t(`Character entity representing '${entities[entity]}'`),
+							documentation: l10n.t('Character entity representing \'{0}\'', entities[entity]),
 							textEdit: TextEdit.replace(range, label),
 							insertTextFormat: InsertTextFormat.PlainText
 						});
diff --git a/src/tsconfig.esm.json b/src/tsconfig.esm.json
index 7bb5ae1..ecd322b 100644
--- a/src/tsconfig.esm.json
+++ b/src/tsconfig.esm.json
@@ -1,6 +1,6 @@
 { 
  	"compilerOptions": { 
- 		"target": "es5", 
+ 		"target": "es2020", 
  		"module": "es6", 
  		"moduleResolution": "node", 
  		"sourceMap": true, 
@@ -8,7 +8,7 @@
  		"stripInternal": true, 
  		"outDir": "../lib/esm",
 		"lib": [
-			"es5", "es2015.promise"
+			"es2020"
 		],
 		"strict": true
 	 }
diff --git a/src/tsconfig.json b/src/tsconfig.json
index 381766f..ca5c3b4 100644
--- a/src/tsconfig.json
+++ b/src/tsconfig.json
@@ -1,6 +1,6 @@
 { 
  	"compilerOptions": { 
- 		"target": "es5", 
+ 		"target": "es2020", 
  		"module": "umd", 
  		"moduleResolution": "node", 
  		"sourceMap": true, 
@@ -8,7 +8,7 @@
  		"stripInternal": true, 
  		"outDir": "../lib/umd",
 		"lib": [
-			"es5", "es2015.promise"
+			"es2020"
 		],
 		"strict": true
 	 }