diff --git a/types/prop-types/index.d.ts b/types/prop-types/index.d.ts
index ddb8c64947..e39ef68c11 100644
--- a/types/prop-types/index.d.ts
+++ b/types/prop-types/index.d.ts
@@ -65,7 +65,7 @@ export const element: Requireable<ReactElementLike>;
 export const symbol: Requireable<symbol>;
 export const elementType: Requireable<ReactComponentLike>;
 export function instanceOf<T>(expectedClass: new (...args: any[]) => T): Requireable<T>;
-export function oneOf<T>(types: T[]): Requireable<T>;
+export function oneOf<T>(types: ReadonlyArray<T>): Requireable<T>;
 export function oneOfType<T extends Validator<any>>(types: T[]): Requireable<NonNullable<InferType<T>>>;
 export function arrayOf<T>(type: Validator<T>): Requireable<T[]>;
 export function objectOf<T>(type: Validator<T>): Requireable<{ [K in keyof any]: T; }>;
@@ -79,8 +79,8 @@ export function exact<P extends ValidationMap<any>>(type: P): Requireable<Requir
  * @param typeSpecs Map of name to a ReactPropType
  * @param values Runtime values that need to be type-checked
  * @param location e.g. "prop", "context", "child context"
- * @param componentName Name of the component for error messages.
- * @param getStack Returns the component stack.
+ * @param componentName Name of the component for error messages
+ * @param getStack Returns the component stack
  */
 export function checkPropTypes(typeSpecs: any, values: any, location: string, componentName: string, getStack?: () => any): void;