diff --git a/tests/baselines/reference/noImplicitAnyInCastExpression.errors.txt b/tests/baselines/reference/noImplicitAnyInCastExpression.errors.txt
index 271f869360..bc7542df51 100644
--- a/tests/baselines/reference/noImplicitAnyInCastExpression.errors.txt
+++ b/tests/baselines/reference/noImplicitAnyInCastExpression.errors.txt
@@ -10,10 +10,10 @@
     // Expr type not assignable to target type
     (<IFoo>{ a: null });
     
-    // Expr type assignanle to target type
+    // Expr type assignable to target type
     (<IFoo>{ a: 2, b: undefined });
     
-    // Niether types is assignable to each other
+    // Neither types is assignable to each other
     (<IFoo>{ c: null });
      ~~~~~~~~~~~~~~~~~
 !!! Neither type '{ c: null; }' nor type 'IFoo' is assignable to the other:
diff --git a/tests/baselines/reference/noImplicitAnyInCastExpression.js b/tests/baselines/reference/noImplicitAnyInCastExpression.js
index 6501d17a5f..1b7cc59c7c 100644
--- a/tests/baselines/reference/noImplicitAnyInCastExpression.js
+++ b/tests/baselines/reference/noImplicitAnyInCastExpression.js
@@ -10,17 +10,17 @@ interface IFoo {
 // Expr type not assignable to target type
 (<IFoo>{ a: null });
 
-// Expr type assignanle to target type
+// Expr type assignable to target type
 (<IFoo>{ a: 2, b: undefined });
 
-// Niether types is assignable to each other
+// Neither types is assignable to each other
 (<IFoo>{ c: null });
 
 //// [noImplicitAnyInCastExpression.js]
 // verify no noImplictAny errors reported with cast expression
 // Expr type not assignable to target type
 { a: null };
-// Expr type assignanle to target type
+// Expr type assignable to target type
 { a: 2, b: undefined };
-// Niether types is assignable to each other
+// Neither types is assignable to each other
 { c: null };
diff --git a/tests/cases/compiler/noImplicitAnyInCastExpression.ts b/tests/cases/compiler/noImplicitAnyInCastExpression.ts
index afbdfa1ec1..5566b898a0 100644
--- a/tests/cases/compiler/noImplicitAnyInCastExpression.ts
+++ b/tests/cases/compiler/noImplicitAnyInCastExpression.ts
@@ -10,8 +10,8 @@ interface IFoo {
 // Expr type not assignable to target type
 (<IFoo>{ a: null });
 
-// Expr type assignanle to target type
+// Expr type assignable to target type
 (<IFoo>{ a: 2, b: undefined });
 
-// Niether types is assignable to each other
+// Neither types is assignable to each other
 (<IFoo>{ c: null });
\ No newline at end of file