Update README.md

Author: andreaval

README.md

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 # FlowgorithmJS
 [Flowgorithm (http://www.flowgorithm.org)](http://www.flowgorithm.org) is an excellent software for drawing flowcharts. The files generated by Flowgorithm (with the extension .fprg) are in an open XML format.
 
-**FlowgorithmJS** is a third-party tool written in Javascript that can read and display one or more .fprg files on a web page.
-_The software is under development. The first beta version will be published soon._
+**FlowgorithmJS** is a **_third-party_** tool written in Javascript that can read and display one or more .fprg files on a web page.
+
+### _The software is under development. The first beta version will be published soon._