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diff --git a/README.md b/README.md
index 3acdadd..cd084ad 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,8 @@ The JS number type is always a double, and hence cannot accurately represent int
 
 In the browser `require` and `package.loadlib` try to find a file by making synchronous XHR requests.
 
+`require` has been extended to allow searchers to yield.
+
 
 ### _Missing_ features