Fix markdown code blocks

Author: bcylin

CHANGELOG.md

@@ -3,16 +3,16 @@
 * Added delegate methods:
 
   ```swift
-@objc optional func tokenField(_ tokenField: ICTokenField, didChangeInputText text: String)
-@objc optional func tokenField(_ tokenField: ICTokenField, shouldCompleteText text: String) -> Bool
-@objc optional func tokenField(_ tokenField: ICTokenField, subsequentDelimiterForCompletedText text: String) -> String
-```
+  @objc optional func tokenField(_ tokenField: ICTokenField, didChangeInputText text: String)
+  @objc optional func tokenField(_ tokenField: ICTokenField, shouldCompleteText text: String) -> Bool
+  @objc optional func tokenField(_ tokenField: ICTokenField, subsequentDelimiterForCompletedText text: String) -> String
+  ```
 
-* Changed delegate method:
+* Renamed delegate method:
 
   ```swift
-@objc optional func tokenField(_ tokenField: ICTokenField, didCompleteText text: String)
-```
+  @objc optional func tokenField(_ tokenField: ICTokenField, didCompleteText text: String)
+  ```
 
 ## v1.3.0
 

README.md

@@ -155,16 +155,16 @@ The displayed delimiter string can be customized by:
 * Set up dependencies by running the following command in the project root:
 
   ```
-make setup
-```
+  make setup
+  ```
 
 * Open **ICInputAccessory.xcworkspace** and run the demo app with the `Example` scheme.
 
 * See more tasks for building and testing:
 
   ```
-rake -T
-```
+  rake -T
+  ```
 
 ## Contributing