Missing `etc` state for the `dir` segment in docs

README.md

@@ -386,12 +386,14 @@ Powerline" fonts, there are additional glyphs, as well:
 | None       | None      | ![](https://cloud.githubusercontent.com/assets/1544760/12183451/40ec4016-b58f-11e5-9b9e-74e2b2f0b8b3.png) | At the root of your home folder |
 | None       | None      | ![](https://cloud.githubusercontent.com/assets/1544760/12369315/8a5d762c-bbf5-11e5-8a20-ca1179f48d6c.png) | Within a subfolder of your home directory |
 | None       | None      | ![](https://cloud.githubusercontent.com/assets/1544760/12183452/40f79286-b58f-11e5-9b8c-ed1343a07b08.png) | Outside of your home folder |
+| None       | None      | ⚙ | Within the `/etc` directory |
 
 To turn off these icons you could set these variables to an empty string.
 ```zsh
 POWERLEVEL9K_HOME_ICON=''
 POWERLEVEL9K_HOME_SUB_ICON=''
 POWERLEVEL9K_FOLDER_ICON=''
+POWERLEVEL9K_ETC_ICON=''
 ```
 You can limit the output to a certain length by truncating long paths.
 Customizations available are: