diff --git a/README.md b/README.md
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@@ -13,3 +13,6 @@ You will need to download a recent version of [ProB2-UI](https://www3.hhu.de/stu
 HTML Applications generated from [B2Program](https://github.com/favu100/b2program) are availalbe at https://gitlab.cs.uni-duesseldorf.de/general/stups/visb-visualisation-examples/-/tree/master/B2Program
 
 Usage of [B2Program](https://github.com/favu100/b2program) to generate domain-specific HTML applications is described in https://github.com/favu100/b2program
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+Remark: It might be required to deactivate CORS Policy