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diff --git a/docs/contracts.rst b/docs/contracts.rst
index d3a89c1e..234ab46a 100644
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@@ -447,6 +447,11 @@ In particular, the following operations will consume more gas than the stipend p
Please ensure you test your fallback function thoroughly to ensure the execution cost is less than 2300 gas before deploying a contract.
+.. warning::
+ The default fallback function will throw an exception (this was different
+ before Solidity v0.4.0), so if you want your contract to receive Ether,
+ you have to implement a fallback function.
+
::
contract Test {