diff --git a/wasm/README.md b/wasm/README.md
new file mode 100644
index 00000000..b1b294a4
--- /dev/null
+++ b/wasm/README.md
@@ -0,0 +1,3 @@
+# Mercury layer WASM library
+
+A `wasm-bindgen` library of functions for the mercury layer clients