diff --git a/packages/data/README.md b/packages/data/README.md
index 25dd75820fb5db..07562c6bc89f9e 100644
--- a/packages/data/README.md
+++ b/packages/data/README.md
@@ -423,11 +423,11 @@ When registering a control created with `createRegistryControl` with a store, th
 
 _Parameters_
 
--   _registryControl_ `Function`: Function receiving a registry object and returning a control.
+-   _registryControl_ `T & { isRegistryControl?: boolean; }`: Function receiving a registry object and returning a control.
 
 _Returns_
 
--   `Function`: Registry control that can be registered with a store.
+-   Registry control that can be registered with a store.
 
 ### createRegistrySelector
 
@@ -476,11 +476,11 @@ with a store.
 
 _Parameters_
 
--   _registrySelector_ `Function`: Function receiving a registry `select` function and returning a state selector.
+-   _registrySelector_ `( select:  ) => Selector`: Function receiving a registry `select` function and returning a state selector.
 
 _Returns_
 
--   `Function`: Registry selector that can be registered with a store.
+-   `Selector`: Registry selector that can be registered with a store.
 
 ### createSelector
 
@@ -490,15 +490,6 @@ _Related_
 
 -   The documentation for the `rememo` package from which the `createSelector` function is reexported.
 
-_Parameters_
-
--   _selector_ `Function`: Selector function that calculates a value from state and parameters.
--   _getDependants_ `Function`: Function that returns an array of "dependant" objects.
-
-_Returns_
-
--   `Function`: A memoized version of `selector` that caches the calculated return values.
-
 ### dispatch
 
 Given a store descriptor, returns an object of the store's action creators. Calling an action creator will cause it to be dispatched, updating the state value accordingly.