Update about.md

Author: wannaphong

_pages/about.md

@@ -4,6 +4,8 @@ title: About PyThaiNLP
 permalink: /about/
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-PyThaiNLP is a Python package for text processing and linguistic analysis, similar to NLTK with focus on Thai language.
+PyThaiNLP Project is a Thai Natural Language Processing project. We build softwares and datasets for Thai language. Our Main Project is PyThaiNLP.
 
-[WIP]
+PyThaiNLP is a Python package for text processing and linguistic analysis, similar to NLTK with focus on Thai language. PyThaiNLP starrted at 2017.
+
+See: [Our Paper](https://openreview.net/forum?id=6HiK8jSnnB)