message: Update docs/source/integrations/burrow.rst
diff: @@ -62,7 +62,7 @@ Schematically the interaction between different parts of the system looks as fol
  .. image:: ../../image_assets/burrow/natives.png
  Current release of the Iroha EVM wrapper contains a single service contract deployed at the address `A6ABC17819738299B3B2C1CE46D55C74F04E290C` (the last 20 bytes of the *keccak256* hash of the string *ServiceContract*) which exposes 2 methods to query Iroha assets balances and transfer assets between accounts.
  -The signature of these four method looks like this:
  +The signatures of these two methods look like this:
  **function** getAssetBalance(string memory *accountID*, string memory *assetID*) public view
  returns (string memory *result*) {}
  @@ -88,4 +88,3 @@ Here a special kind of EVM message calls is used - the **delegatecall**, which a
  -
  