Missed a few textile formatting spots

README.markdown

@@ -21,7 +21,7 @@ __Disclaimer:__ _Oh My Zsh works best on Mac OS X and Linux._
 
 ### Basic Installation
 
-Oh My Zsh is installed by running one of the following commands in your terminal. You can install this via the command-line with either @curl@ or @wget@.
+Oh My Zsh is installed by running one of the following commands in your terminal. You can install this via the command-line with either `curl` or `wget`.
 
 #### via curl