Linter errors fix

Author: amivanoff

README.md

@@ -40,10 +40,10 @@ Semantic shapes are frequently described using the SHACL or ShEx language.
 
 ## ShEx Validators
 
-- [Apache Jena ShEx](https://jena.apache.org/documentation/shex/index.html) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/apache/jena" align="top"> - `Apache-2.0` `Java`.
-- [shexSpec/shex.js](https://github.com/shexjs/shex.js)<img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/shexjs/shex.js" align="top"> - [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html); `MIT` `JavaScript`.
-- [ShEx-validator](https://github.com/HW-SWeL/ShEx-validator)<img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/HW-SWeL/ShEx-validator" align="top"> - :skull:  `MIT` `JavaScript`.
-- [Validata](https://github.com/HW-SWeL/Validata)<img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/HW-SWeL/Validata" align="top"> - An intuitive, standalone web-based tool to help building RDF documents by validating against preset schemas written in the ShEx language; [playground](http://hw-swel.github.io/Validata/); [playground](https://www.w3.org/2015/03/ShExValidata/); `MIT` `JavaScript`.
+- [Apache Jena ShEx](https://jena.apache.org/documentation/shex/index.html) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/apache/jena" align="top"> - Supports ShEx, ShExC; not supported semantic actions, EXTERNAL; `Apache-2.0` `Java`.
+- [shexSpec/shex.js](https://github.com/shexjs/shex.js) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/shexjs/shex.js" align="top"> - JavaScript implementation of Shape Expressions; [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html); `MIT` `JavaScript`.
+- [ShEx-validator](https://github.com/HW-SWeL/ShEx-validator) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/HW-SWeL/ShEx-validator" align="top"> - A standalone Node module with a command line interface; :skull: `MIT` `JavaScript`.
+- [Validata](https://github.com/HW-SWeL/Validata) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/HW-SWeL/Validata" align="top"> - An intuitive, standalone web-based tool to help building RDF documents by validating against preset schemas written in the ShEx language; [playground](http://hw-swel.github.io/Validata/); [playground](https://www.w3.org/2015/03/ShExValidata/); `MIT` `JavaScript`.
 
 ## Shapes Discovery Tools
 
@@ -57,7 +57,7 @@ Semantic shapes are frequently described using the SHACL or ShEx language.
 
 ## Shape Conversion Tools
 
-- [ShacShifter](https://github.com/AKSW/ShacShifter) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/AKSW/ShacShifter" align="top"> - :skull: "shape shifter" from SHACL to other formats (currently RDForms); `GPL-3.0` `Python`.
+- [ShacShifter](https://github.com/AKSW/ShacShifter) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/AKSW/ShacShifter" align="top"> - Shape shifter from SHACL to other formats (currently RDForms); :skull: `GPL-3.0` `Python`.
 - [SHACL To JSON Schema](https://github.com/comake/shacl-to-json-schema) <img alt="GitHub last commit" src="https://img.shields.io/github/last-commit/comake/shacl-to-json-schema" align="top"> - TS, SHACL-to-JSON-Schema translator; `Typescript`.
 
 ## Shape Generators