Fix typo

dimapaloskin · web-flow · commit ef28914e0c11 · 2021-01-29T20:21:33.000+03:00
diff --git a/src/ReactNativeInAppBrowser.re b/src/ReactNativeInAppBrowser.re
@@ -29,7 +29,7 @@ external iosOptions:
                                | `pageSheet
                                | `formSheet
                                | `currentContext
-                               | `ustom
+                               | `custom
                                | `overFullScreen
                                | `overCurrentContext
                                | `popover
