diff --git a/README.md b/README.md
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@@ -171,7 +171,9 @@ Mohamadi H, Khan H, Birol I (2017) _ntCard: a streaming algorithm for cardinalit
 Wedemeyer A, Kliemann L, Srivastav A, Schielke C, Reusch TB, Rosenstiel P (2017) _An improved filtering algorithm for big read datasets and its application to single-cell assembly_. **BMC Bioinformatics**, 18:324. [doi:10.1186/s12859-017-1724-7](https://doi.org/10.1186/s12859-017-1724-7).
 
 
+## Contributions
 
+Suggestions for improving the ROCK software or for adding new functionalities as well as merge requests are welcome.