Update erc20-checker.rst

second-state · Jul 24, 2018 · e0a0cb5 · e0a0cb5
1 parent 46be08a
commit e0a0cb5
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/docs/erc-contract-standard-checker/erc20-checker.rst b/docs/erc-contract-standard-checker/erc20-checker.rst
@@ -3,12 +3,16 @@
 ERC20 Contract Standard Checker
 ===============================
 
+Make sure you are in the folder where lityc is installed. 
+
+For example your location should be "~/lity/build" if you followed `this tutorial <http://lity.readthedocs.io/en/latest/download.html>`_.
+
 Enable contract standard checker with specific ERC
 --------------------------------------------------
 
 .. code:: bash
 
-  lityc --contract-standard ERC20 <contract file>
+  $ ./lityc/lityc --contract-standard ERC20 <contract file>
 
 
 Examples
@@ -37,7 +41,7 @@ Examples
 
 .. code:: bash
 
-  $ lityc --contract-standard ERC20 erc20_interface.sol
+  $ ./lityc/lityc --contract-standard ERC20 erc20_interface.sol
 
   erc20_standard.sol:3:1: Info: ERC20Interface is compatible to ERC20.
   contract ERC20Interface {
@@ -68,7 +72,7 @@ Examples
 
 .. code:: bash
 
-  $ lityc --contract-standard ERC20 wrong_mutability.sol
+  $ ./lityc/lityc --contract-standard ERC20 wrong_mutability.sol
 
   wrong_mutability.sol:3:1: Info: Missing 'totalSupply' with type signature 'function () view external returns (uint256)'. ERC20Interface is not compatible to ERC20.
   contract ERC20Interface {