Merge pull request #368 from hc5duke/master

fix backticks

Author: astaxie

en/eBook/02.2.md

@@ -115,7 +115,7 @@ That's all? No! Go supports complex numbers as well. `complex128` (with a 64-bit
 
 ### String
 
-We just talked about how Go uses the UTF-8 character set. Strings are represented by double quotes `""` or backtracks ``` `.
+We just talked about how Go uses the UTF-8 character set. Strings are represented by double quotes `""` or backticks ``` `` ```.
 
 	// sample code
 	var frenchHello string  // basic form to define string