diff --git a/ffi/capi/bindings/dart/DataProvider.g.dart b/ffi/capi/bindings/dart/DataProvider.g.dart
index 69990cac6fc..c387290e699 100644
--- a/ffi/capi/bindings/dart/DataProvider.g.dart
+++ b/ffi/capi/bindings/dart/DataProvider.g.dart
@@ -4,6 +4,11 @@ part of 'lib.g.dart';
 
 /// An ICU4X data provider, capable of loading ICU4X data keys from some source.
 ///
+/// Currently the only source supported is loading from "blob" formatted data from a bytes buffer or the file system.
+///
+/// If you wish to use ICU4X's builtin "compiled data", use the version of the constructors that do not have `_with_provider`
+/// in their names.
+///
 /// See the [Rust documentation for `icu_provider`](https://docs.rs/icu_provider/latest/icu_provider/index.html) for more information.
 final class DataProvider implements ffi.Finalizable {
   final ffi.Pointer<ffi.Opaque> _ffi;
diff --git a/ffi/capi/bindings/js/DataProvider.d.ts b/ffi/capi/bindings/js/DataProvider.d.ts
index fc8cd56c830..7e8438446f9 100644
--- a/ffi/capi/bindings/js/DataProvider.d.ts
+++ b/ffi/capi/bindings/js/DataProvider.d.ts
@@ -6,6 +6,11 @@ import type { pointer, codepoint } from "./diplomat-runtime.d.ts";
 
 /** An ICU4X data provider, capable of loading ICU4X data keys from some source.
 *
+*Currently the only source supported is loading from "blob" formatted data from a bytes buffer or the file system.
+*
+*If you wish to use ICU4X's builtin "compiled data", use the version of the constructors that do not have `_with_provider`
+*in their names.
+*
 *See the [Rust documentation for `icu_provider`](https://docs.rs/icu_provider/latest/icu_provider/index.html) for more information.
 */
 export class DataProvider {
diff --git a/ffi/capi/bindings/js/DataProvider.mjs b/ffi/capi/bindings/js/DataProvider.mjs
index b7116e95bd9..157044cbd67 100644
--- a/ffi/capi/bindings/js/DataProvider.mjs
+++ b/ffi/capi/bindings/js/DataProvider.mjs
@@ -7,6 +7,11 @@ import * as diplomatRuntime from "./diplomat-runtime.mjs";
 
 /** An ICU4X data provider, capable of loading ICU4X data keys from some source.
 *
+*Currently the only source supported is loading from "blob" formatted data from a bytes buffer or the file system.
+*
+*If you wish to use ICU4X's builtin "compiled data", use the version of the constructors that do not have `_with_provider`
+*in their names.
+*
 *See the [Rust documentation for `icu_provider`](https://docs.rs/icu_provider/latest/icu_provider/index.html) for more information.
 */
 const DataProvider_box_destroy_registry = new FinalizationRegistry((ptr) => {
diff --git a/ffi/capi/src/provider.rs b/ffi/capi/src/provider.rs
index f82cd4fd0e1..464e3c069f0 100644
--- a/ffi/capi/src/provider.rs
+++ b/ffi/capi/src/provider.rs
@@ -23,6 +23,11 @@ pub mod ffi {
 
     #[diplomat::opaque]
     /// An ICU4X data provider, capable of loading ICU4X data keys from some source.
+    ///
+    /// Currently the only source supported is loading from "blob" formatted data from a bytes buffer or the file system.
+    ///
+    /// If you wish to use ICU4X's builtin "compiled data", use the version of the constructors that do not have `_with_provider`
+    /// in their names.
     #[diplomat::rust_link(icu_provider, Mod)]
     pub struct DataProvider(pub DataProviderInner);