diff --git a/doc/api.md b/doc/api.md
index 6ab0776..37ca93f 100644
--- a/doc/api.md
+++ b/doc/api.md
@@ -122,7 +122,7 @@ To style `<MenuTrigger />` component you can pass `customStyles` object prop wit
 |`triggerOuterWrapper`|`Style`|Style of outer `View` component|
 |`triggerWrapper`|`Style`|Style of inner `View` component (can be overriden by `style` prop)|
 |`triggerText`|`Style`|Style of `Text` component (used when `text` shorthand option is defined)|
-|`TriggerTouchableComponent`|`Component`|Touchable component of trigger. Default value is `TouchableHighlight` for iOS and `TouchableNativeFeedvack` for Android|
+|`TriggerTouchableComponent`|`Component`|Touchable component of trigger. Default value is `TouchableHighlight` for iOS and `TouchableNativeFeedback` for Android|
 |`triggerTouchable`|`Object`|Properties passed to the touchable component (e.g. `activeOpacity`, `underlayColor` for `TouchableHighlight`)|
 
 **Note:** `Style` type is any valid RN style parameter.
@@ -152,7 +152,7 @@ To style `<MenuOptions />` and it's `<MenuOption />` components you can pass `cu
 |`optionsContainer`|`Style`|Style passed to the menu renderer (e.g. `Animated.View`)|
 |`optionWrapper`|`Style`|Style of `View` component wrapping single option|
 |`optionText`|`Style`|Style of `Text` component (when `text` shorthand option is defined)|
-|`OptionTouchableComponent`|`Component`|Touchable component of option. Default value is `TouchableHighlight` for iOS and `TouchableNativeFeedvack` for Android|
+|`OptionTouchableComponent`|`Component`|Touchable component of option. Default value is `TouchableHighlight` for iOS and `TouchableNativeFeedback` for Android|
 |`optionTouchable`|`Object`|Properties passed to the touchable component (e.g. `activeOpacity`, `underlayColor` for `TouchableHighlight`)|
 
 **Note:** `optionWrapper`, `optionTouchable` and `optionText` styles of particular menu option can be overriden by `customStyles` prop of `<MenuOption />` component.
@@ -190,7 +190,7 @@ To style `<MenuOption />` component you can pass `customStyles` object prop with
 |---|---|---|
 |`optionWrapper`|`Style`|Style of wrapping `View` component.|
 |`optionText`|`Style`|Style of `Text` component (when `text` shorthand option is defined)|
-|`OptionTouchableComponent`|`Component`|Touchable component of option. Default value is `TouchableHighlight` for iOS and `TouchableNativeFeedvack` for Android|
+|`OptionTouchableComponent`|`Component`|Touchable component of option. Default value is `TouchableHighlight` for iOS and `TouchableNativeFeedback` for Android|
 |`optionTouchable`|`Object`|Properties passed to the touchable component (e.g. `activeOpacity`, `underlayColor` for `TouchableHighlight`)|
 
 **Note:** `Style` type is any valid RN style parameter.
diff --git a/src/index.d.ts b/src/index.d.ts
index 7e1ef2e..d14b00f 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -24,7 +24,7 @@ declare module "react-native-popup-menu" {
   }
 
   interface MenuProviderStatic extends React.ComponentClass<MenuProviderProps> {
-    // FIXME: these methods does not get included in ref, unlike WebView in react-native.d.ts
+    // FIXME: these methods do not get included in ref, unlike WebView in react-native.d.ts
     open(name: string): Promise<void>;
 
     toggleMenu(name: string): Promise<void>;
@@ -41,8 +41,24 @@ declare module "react-native-popup-menu" {
   interface MenuProps {
     name?: string;
     opened?: boolean;
+    /**
+     * Possible menu renderer options:
+     * - `renderer.ContextMenu`
+     * - `renderer.NotAnimatedContextMenu`
+     * - `renderer.SlideInMenu`
+     * - `renderer.Popover`
+     */
     renderer?: Function;
-    rendererProps?: any;
+    /**
+     * Optional customization if you passed `renderer.Popover` to the `renderer` prop
+     */
+    rendererProps?: {
+      placement?: "top" | "right" | "bottom" | "left" | "auto";
+      preferredPlacement?: "top" | "right" | "bottom" | "left";
+      anchorStyle?: StyleProp<ViewStyle>;
+      openAnimationDuration?: number;
+      closeAnimationDuration?: number;
+    };
     style?: StyleProp<ViewStyle>;
 
     onSelect?(optionValue: any): any;
@@ -88,7 +104,7 @@ declare module "react-native-popup-menu" {
     triggerOnLongPress?: boolean;
 
     onPress?(): void;
-    onAlternativeAction? (): void;
+    onAlternativeAction?(): void;
     children?: React.ReactNode;
     style?: StyleProp<ViewStyle>;
   }
@@ -199,7 +215,7 @@ declare module "react-native-popup-menu" {
     toggleMenu: (name: string) => Promise<void>;
     isMenuOpen: () => boolean;
   }
-  
+
   export interface MenuContext {
     // This part shouldn't be exported to the user so it's commented out
     // menuRegistry: MenuRegistry;