diff --git a/src/execution/execute.ts b/src/execution/execute.ts
index 2ad862e9d52..1d369a9054c 100644
--- a/src/execution/execute.ts
+++ b/src/execution/execute.ts
@@ -302,6 +302,14 @@ export function buildExecutionContext(
 }
 
 /**
+ * This class is exported only to assist people in implementing their own executors
+ * without duplicating too much code and should be used only as last resort for cases
+ * requiring custom execution or if certain features could not be contributed upstream.
+ *
+ * It is still part of the internal API and is versioned, so any changes to it are never
+ * considered breaking changes. If you still need to support multiple versions of the
+ * library, please use the `versionInfo` variable for version detection.
+ *
  * @internal
  */
 export class Executor {