Fix typo

Author: landakram

solidity-common.el

@@ -38,7 +38,7 @@
  :package-version '(solidity . "0.1.4"))
 
 (defcustom solidity-solhint-path "solhint"
- "Path to the solium binary."
+ "Path to the solhint binary."
  :group 'solidity
  :type 'string
  :package-version '(solidity . "0.1.12"))