Merge pull request #1652 from robertkowalski/patch-1

Mention `--config-dir` for eosiod

README.md

@@ -263,6 +263,7 @@ plugin = eosio::http_plugin
 ```
 
 Now it should be possible to run `eosiod` and see it begin producing blocks.
+You can specify the location of a custom `config.ini` by passing the `--config-dir` argument to `eosiod`.
 
 When running `eosiod` you should get log messages similar to below. It means the blocks are successfully produced.
 
@@ -896,4 +897,4 @@ make -j$( sysctl -in machdep.cpu.core_count )
 make install
 ```
 
-Your environment is set up. Now you can <a href="#runanode">build EOS and run a node</a>.
\ No newline at end of file
+Your environment is set up. Now you can <a href="#runanode">build EOS and run a node</a>.