diff --git a/ProcessLib/HT/Tests.cmake b/ProcessLib/HT/Tests.cmake
index 6a4a2b122ded7d4c56c847a48d51e6844085a3cf..872fa49e43098cacf4b8a552de2f3c4db72925cd 100644
--- a/ProcessLib/HT/Tests.cmake
+++ b/ProcessLib/HT/Tests.cmake
@@ -216,8 +216,8 @@ AddTest(
     TESTER vtkdiff
     REQUIREMENTS NOT (OGS_USE_LIS OR OGS_USE_MPI)
     DIFF_DATA
-    th_decovalex.vtu th_decovalex_pcs_1_ts_40_t_18.000000.vtu T_ref T 1e-14  1.e-14
-    th_decovalex.vtu th_decovalex_pcs_1_ts_40_t_18.000000.vtu p_ref p 1e-14  1.e-14
+    th_decovalex.vtu th_decovalex_pcs_1_ts_40_t_18.000000.vtu T_ref T 5e-12 1.e-14
+    th_decovalex.vtu th_decovalex_pcs_1_ts_40_t_18.000000.vtu p_ref p 1e-7 1.e-14
     VIS th_decovalex_pcs_1_ts_78_t_1000.000000.vtu
 )
 
diff --git a/ProcessLib/TwoPhaseFlowWithPP/Tests.cmake b/ProcessLib/TwoPhaseFlowWithPP/Tests.cmake
index 9d28d4ee2319e96df0745b5a589679addb8fd0d8..9237b9cdb728f20eaf3313149203529e2b45f561 100644
--- a/ProcessLib/TwoPhaseFlowWithPP/Tests.cmake
+++ b/ProcessLib/TwoPhaseFlowWithPP/Tests.cmake
@@ -42,7 +42,7 @@ AddTest(
 )
 AddTest(
     NAME 1D_TwoPhase_PP_mcwt_1
-    PATH Parabolic/TwoPhaseFlowPP/McWorts
+    PATH Parabolic/TwoPhaseFlowPP/McWhorter
     EXECUTABLE ogs
     EXECUTABLE_ARGS TwoPhase_mcwt_line.prj
     TESTER vtkdiff
@@ -52,7 +52,7 @@ AddTest(
 )
 AddTest(
     NAME 1D_TwoPhase_PP_mcwt_2
-    PATH Parabolic/TwoPhaseFlowPP/McWorts
+    PATH Parabolic/TwoPhaseFlowPP/McWhorter
     EXECUTABLE ogs
     EXECUTABLE_ARGS TwoPhase_mcwt_line.prj
     TESTER vtkdiff
diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/TwoPhase_mcwt_line.prj b/Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/TwoPhase_mcwt_line.prj
similarity index 100%
rename from Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/TwoPhase_mcwt_line.prj
rename to Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/TwoPhase_mcwt_line.prj
diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/mcwt.gml b/Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/mcwt.gml
similarity index 100%
rename from Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/mcwt.gml
rename to Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/mcwt.gml
diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/mcwt.vtu b/Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/mcwt.vtu
similarity index 100%
rename from Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/mcwt.vtu
rename to Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/mcwt.vtu
diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/mcwt_1000.vtu b/Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/mcwt_1000.vtu
similarity index 100%
rename from Tests/Data/Parabolic/TwoPhaseFlowPP/McWorts/mcwt_1000.vtu
rename to Tests/Data/Parabolic/TwoPhaseFlowPP/McWhorter/mcwt_1000.vtu
diff --git a/web/content/docs/benchmarks/two-phase-flow-PP/TwoPhaseFlowPP.md b/web/content/docs/benchmarks/two-phase-flow-PP/TwoPhaseFlowPP.md
new file mode 100644
index 0000000000000000000000000000000000000000..a8e4557d9ed3ce94788f3a02461dd99ae589a2be
--- /dev/null
+++ b/web/content/docs/benchmarks/two-phase-flow-PP/TwoPhaseFlowPP.md
@@ -0,0 +1,22 @@
++++
+project = "Parabolic/TwoPhaseFlowPP"
+author = "Yonghui Huang"
+date = "2018-06-20T14:37:58+01:00"
+title = "Isothermal two-phase flow transport model with PP formulation"
+weight = 101
+
+[menu]
+  [menu.benchmarks]
+    parent = "two-phase-flow-PP-formulation"
+
++++
+
+{{< data-link >}}
+
+## Problem description
+
+Two benchmarks are presented here which are dedicated to simulating the two-phase flow transport in porous media with the pessure-capillary pressure as the primary variables. For the detailed benchmark settings and results description, please refer to the attached document.
+
+## Results and evaluation
+
+See [this PDF](../main.pdf).
diff --git a/web/content/docs/benchmarks/two-phase-flow-PP/main.pdf b/web/content/docs/benchmarks/two-phase-flow-PP/main.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..1b5551345f6c3adc3e0a71c2709809dbd7b099f1
--- /dev/null
+++ b/web/content/docs/benchmarks/two-phase-flow-PP/main.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7f6a56ebbf5883016b0c6c7deb5b3bc52d7ba8ed817f92bfc4dd7a73c03b1556
+size 281714