diff --git a/README.md b/README.md
index 5bce4a96..23efd356 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Newt: A Sample Application for ChiSE
 
-Newt is a sample application for the web based library named [ChiSE](https://github.com/iVis-at-Bilkent/chise.js) developed to visualize and edit the pathway models represented by process description (PD) and activity flow (AF) languages of [SBGN](http://sbgn.org) or in [simple interaction format (SIF)](https://www.pathwaycommons.org/pc/sif_interaction_rules.do).
+Newt is a sample application for the web based library named [ChiSE](https://github.com/iVis-at-Bilkent/chise.js) developed to visualize and edit the pathway models represented by process description (PD) and activity flow (AF) languages of [SBGN](http://sbgn.org), [SBML](https://sbml.org/) or [simple interaction format (SIF)](https://www.pathwaycommons.org/pc/sif_interaction_rules.do).
 
 ChiSE and this sample application are distributed under [GNU Lesser General Public License](http://www.gnu.org/licenses/lgpl.html).