Use languages implementations project names

Author: olyagpl

docs/reference-manual/languages.md

@@ -10,12 +10,11 @@ permalink: /reference-manual/languages/
 GraalVM provides runtimes for JavaScript, Ruby, Python, and a number of other popular languages.
 GraalVM's polyglot capabilities make it possible to mix multiple programming languages in a single application while eliminating any foreign language call costs.
 
-If you are mostly interested in GraalVM's support for a specific language, here you can find the most extensive documentation:
-
+If you are mostly interested in a specific language runtime on GraalVM, see the following:
 * [Java on Truffle](java-on-truffle/README.md)
-* [JavaScript and Node.js](https://github.com/oracle/graaljs/blob/master/docs/user/README.md)
+* [GraalJS](https://github.com/oracle/graaljs/blob/master/docs/user/README.md)
+* [GraalPy](https://github.com/oracle/graalpython/blob/master/docs/user/README.md)
+* [GraalWasm](wasm/README.md)
 * [LLVM Languages](llvm/README.md)
-* [Python](https://github.com/oracle/graalpython/blob/master/docs/user/README.md)
-* [R](https://github.com/oracle/fastr/blob/master/documentation/user/README.md)
-* [Ruby](https://github.com/oracle/truffleruby/blob/master/doc/user/README.md)
-* [WebAssembly](wasm/README.md)
+* [TruffleRuby](https://github.com/oracle/truffleruby/blob/master/doc/user/README.md)
+* [FastR](https://github.com/oracle/fastr/blob/master/documentation/user/README.md)

docs/reference-manual/reference-manuals.md

@@ -17,10 +17,10 @@ These manuals are aimed at software engineers and developers who already work wi
 * To learn more about security considerations in GraalVM, check the [Security Guide](security/security-guide.md).
 
 If you are mostly interested in a specific language runtime on GraalVM, see the following:
-* [Java on Truffle (Espresso)](java-on-truffle/README.md)
-* [JavaScript and Node.js](js/README.md)
+* [Java on Truffle](java-on-truffle/README.md)
+* [GraalJS](https://github.com/oracle/graaljs/blob/master/docs/user/README.md)
+* [GraalPy](https://github.com/oracle/graalpython/blob/master/docs/user/README.md)
+* [GraalWasm](wasm/README.md)
 * [LLVM Languages](llvm/README.md)
-* [Python](python/README.md)
-* [R](r/README.md)
-* [Ruby](ruby/README.md)
-* [WebAssembly](wasm/README.md)
+* [TruffleRuby](https://github.com/oracle/truffleruby/blob/master/doc/user/README.md)
+* [FastR](https://github.com/oracle/fastr/blob/master/documentation/user/README.md)