diff --git a/react-bootstrap/react-bootstrap.d.ts b/react-bootstrap/react-bootstrap.d.ts
index 195c25093..c6e30d081 100644
--- a/react-bootstrap/react-bootstrap.d.ts
+++ b/react-bootstrap/react-bootstrap.d.ts
@@ -330,7 +330,7 @@ declare module "react-bootstrap" {
         placement?: string;
         positionLeft?: number;
         positionTop?: number;
-        title: any; // TODO: Add more specific type
+        title?: any; // TODO: Add more specific type
     }
     interface Popover extends React.ReactElement<PopoverProps> { }
     interface PopoverClass extends React.ComponentClass<PopoverProps> { }
@@ -847,6 +847,7 @@ declare module "react-bootstrap" {
     // <Input />
     // ----------------------------------------
     interface InputProps extends React.Props<InputClass> {
+        defaultValue?:string;
         addonAfter?: any; // TODO: Add more specific type
         addonBefore?: any; // TODO: Add more specific type
         bsSize?: string;