diff --git a/src/README.md b/src/README.md
index 5885e8fde65177..ae769aca98daa7 100644
--- a/src/README.md
+++ b/src/README.md
@@ -402,7 +402,7 @@ that state is through the use of `Environment::AddBindingData`, which gives
 binding functions access to an object for storing such state.
 That object is always a [`BaseObject`][].
 
-Its class needs to have a static `binding_data_name` field that based on a
+Its class needs to have a static `binding_data_name` field based on a
 constant string, in order to disambiguate it from other classes of this type,
 and which could e.g. match the binding’s name (in the example above, that would
 be `cares_wrap`).