diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index cb62dff01c1..9f623abec5f 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -8696,10 +8696,10 @@ namespace ts {
             // type, a property is considered known if it is known in any constituent type.
             function isKnownProperty(type: Type, name: string, isComparingJsxAttributes: boolean): boolean {
                 if (type.flags & TypeFlags.Object) {
-                    const resolved = resolveStructuredTypeMembers(<ObjectType>type);
+                    const resolved = resolveStructuredTypeMembers(<ObjectType>type);
                     if (resolved.stringIndexInfo || resolved.numberIndexInfo && isNumericLiteralName(name) ||
                         getPropertyOfType(type, name) || isComparingJsxAttributes && !isUnhyphenatedJsxName(name)) {
-                        // For JSXAttributes, if the attribute has a hyphenated name, consider that the attribute to be known.
+                        // For JSXAttributes, if the attribute has a hyphenated name, consider that the attribute to be known.
                         return true;
                     }
                 }
@@ -13477,7 +13477,7 @@ namespace ts {
         function getPropertiesFromJsxElementAttributesProperty() {
             if (!_jsxElementAttribPropInterfaceSymbol) {
                 // JSX
-                const jsxNamespace = getGlobalSymbol(JsxNames.JSX, SymbolFlags.Namespace, /*diagnosticMessage*/undefined);
+                const jsxNamespace = getGlobalSymbol(JsxNames.JSX, SymbolFlags.Namespace, /*diagnosticMessage*/ undefined);
                 // JSX.ElementAttributesProperty [symbol]
                 _jsxElementAttribPropInterfaceSymbol = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, SymbolFlags.Type);
             }
diff --git a/tests/baselines/reference/checkJsxChildrenProperty2.errors.txt b/tests/baselines/reference/checkJsxChildrenProperty2.errors.txt
index d288d92e93b..6bb91bd6385 100644
--- a/tests/baselines/reference/checkJsxChildrenProperty2.errors.txt
+++ b/tests/baselines/reference/checkJsxChildrenProperty2.errors.txt
@@ -1,8 +1,8 @@
 tests/cases/conformance/jsx/file.tsx(14,15): error TS2322: Type '{ a: 10; b: "hi"; }' is not assignable to type 'IntrinsicAttributes & Prop'.
   Type '{ a: 10; b: "hi"; }' is not assignable to type 'Prop'.
     Property 'children' is missing in type '{ a: 10; b: "hi"; }'.
-tests/cases/conformance/jsx/file.tsx(17,11): error TS2708: 'children' are specified twice. The attribute named 'children' will be overwritten.
-tests/cases/conformance/jsx/file.tsx(25,11): error TS2708: 'children' are specified twice. The attribute named 'children' will be overwritten.
+tests/cases/conformance/jsx/file.tsx(17,11): error TS2710: 'children' are specified twice. The attribute named 'children' will be overwritten.
+tests/cases/conformance/jsx/file.tsx(25,11): error TS2710: 'children' are specified twice. The attribute named 'children' will be overwritten.
 tests/cases/conformance/jsx/file.tsx(31,11): error TS2322: Type '{ a: 10; b: "hi"; children: (Element | ((name: string) => Element))[]; }' is not assignable to type 'IntrinsicAttributes & Prop'.
   Type '{ a: 10; b: "hi"; children: (Element | ((name: string) => Element))[]; }' is not assignable to type 'Prop'.
     Types of property 'children' are incompatible.
@@ -52,7 +52,7 @@ tests/cases/conformance/jsx/file.tsx(49,11): error TS2322: Type '{ a: 10; b: "hi
     let k0 =
         <Comp a={10} b="hi" children="Random" >
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-!!! error TS2708: 'children' are specified twice. The attribute named 'children' will be overwritten.
+!!! error TS2710: 'children' are specified twice. The attribute named 'children' will be overwritten.
             hi hi hi!
         </Comp>;
     
@@ -62,7 +62,7 @@ tests/cases/conformance/jsx/file.tsx(49,11): error TS2322: Type '{ a: 10; b: "hi
     let k1 =
         <Comp a={10} b="hi" {...o} >
               ~~~~~~~~~~~~~~~~~~~~
-!!! error TS2708: 'children' are specified twice. The attribute named 'children' will be overwritten.
+!!! error TS2710: 'children' are specified twice. The attribute named 'children' will be overwritten.
             hi hi hi!
         </Comp>;