diff --git a/README.md b/README.md
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@@ -18,7 +18,7 @@ Note: installation of `HexWatershed` requires a `c++` compiler and the `cmake` u
 
 ### `Acknowledgement`
 
-This work was supported by the Earth System Model Development program areas of the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research as part of the multi-program, collaborative Integrated Coastal Modeling (ICoM) project. The data used for model simulations can be downloaded through the USGS website (https://www.usgs.gov/national-hydrography). The Pyflowline model can be accessed through the Python Conda system (https://anaconda.org/conda-forge/pyflowline). 
+This work was supported by the Earth System Model Development program areas of the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research as part of the multi-program, collaborative Integrated Coastal Modeling (ICoM) project. 
 
 ### `License`