Update README.md

Author: ZsharE

README.md

@@ -57,7 +57,7 @@ const stack = new netStack('.stacktrace', {
 });
 ```
 
-#### Ready to go css
+#### Ready to go CSS
 ```css
 pre, code {background-color:#333; color: #ffffff;}
 .st-type {color: #0a8472; font-weight: bolder;}
@@ -72,4 +72,4 @@ pre, code {background-color:#333; color: #ffffff;}
 ---
 ### Acknowledgments
 
-* [IgoR-NiK](https://github.com/IgoR-NiK)
+* [IgoR-NiK](https://github.com/IgoR-NiK)