Merge pull request #23 from bigjosh/master

Slight markdown change to allow the Board Manager URL to be selectable in the browser

Author: MCUdude

README.md

@@ -106,7 +106,12 @@ Please check out the [Optiboot flasher example](https://github.com/MCUdude/MiniC
 This installation method requires Arduino IDE version 1.6.4 or greater.
 * Open the Arduino IDE.
 * Open the **File > Preferences** menu item.
-* Enter the following URL in **Additional Boards Manager URLs**: `https://mcudude.github.io/MiniCore/package_MCUdude_MiniCore_index.json`
+* Enter the following URL in **Additional Boards Manager URLs**:
+
+    ```
+    https://mcudude.github.io/MiniCore/package_MCUdude_MiniCore_index.json
+    ``` 
+
 * Open the **Tools > Board > Boards Manager...** menu item.
 * Wait for the platform indexes to finish downloading.
 * Scroll down until you see the **MiniCore** entry and click on it.