diff --git a/examples/2pinfiltration/README.md b/examples/2pinfiltration/README.md
index e576009d784f51f1c7474886daa1268f586ed5f5..20da8e72f56b837e8e9f1fa88265b23e32d5f64a 100644
--- a/examples/2pinfiltration/README.md
+++ b/examples/2pinfiltration/README.md
@@ -42,9 +42,9 @@ Inserting this into the conservation equations for each phase $`\alpha`$ yields:
 
 To reduce the number of unknowns and close the system we need closure relations for these equations. In this example, we use the
 Van Genuchten-Mualem relationships (see
-[Van Genuchten (1980)](https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj1980.03615995004400050002x)
+[Van Genuchten (1980)](https://doi.org/10.2136/sssaj1980.03615995004400050002x)
 and
-[Mualem (1976)](https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/WR012i003p00513))
+[Mualem (1976)](https://doi.org/10.1029/WR012i003p00513))
 for the capillary pressure $`pc = p_n - p_w`$ and the relative permeabilities $`k_r\alpha`$.
 The parameters for these relationships are specified in the `spatialparams.hh` file.
 
diff --git a/examples/2pinfiltration/doc/_intro.md b/examples/2pinfiltration/doc/_intro.md
index 756e7a3cda2f6cbba15c4adc5f3cb94c940f7d1c..75982c3351463060846f5ebe096eb0a17cae11d1 100644
--- a/examples/2pinfiltration/doc/_intro.md
+++ b/examples/2pinfiltration/doc/_intro.md
@@ -40,9 +40,9 @@ Inserting this into the conservation equations for each phase $`\alpha`$ yields:
 
 To reduce the number of unknowns and close the system we need closure relations for these equations. In this example, we use the
 Van Genuchten-Mualem relationships (see
-[Van Genuchten (1980)](https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj1980.03615995004400050002x)
+[Van Genuchten (1980)](https://doi.org/10.2136/sssaj1980.03615995004400050002x)
 and
-[Mualem (1976)](https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/WR012i003p00513))
+[Mualem (1976)](https://doi.org/10.1029/WR012i003p00513))
 for the capillary pressure $`pc = p_n - p_w`$ and the relative permeabilities $`k_r\alpha`$.
 The parameters for these relationships are specified in the `spatialparams.hh` file.