Update README.md

[skip ci]

Author: iefserge

README.md

@@ -44,7 +44,7 @@ Application, its dependencies and the core library are bundled up using <a href=
 
 runtime.js is a library operating system, because application uses it as its own dependency (library). Internal architecture is similar to [exokernels](https://en.wikipedia.org/wiki/Exokernel), where system exposes the hardware to application code and forces as few abstractions as possible.
 
-## DOCS
+## Docs
 
 [API docs](https://github.com/runtimejs/runtime/wiki/API-docs)