diff --git a/Documentation/ProjectFile/prj/processes/process/HYDRO_MECHANICS/t_reference_temperature.md b/Documentation/ProjectFile/prj/processes/process/HYDRO_MECHANICS/t_reference_temperature.md
new file mode 100644
index 0000000000000000000000000000000000000000..ce255b04b7954788eb839b536e39a8f146dc9f1d
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/HYDRO_MECHANICS/t_reference_temperature.md
@@ -0,0 +1 @@
+Reference temperature, an optional input.
diff --git a/Documentation/ProjectFile/prj/processes/process/HYDRO_MECHANICS_WITH_LIE/t_reference_temperature.md b/Documentation/ProjectFile/prj/processes/process/HYDRO_MECHANICS_WITH_LIE/t_reference_temperature.md
new file mode 100644
index 0000000000000000000000000000000000000000..ce255b04b7954788eb839b536e39a8f146dc9f1d
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/HYDRO_MECHANICS_WITH_LIE/t_reference_temperature.md
@@ -0,0 +1 @@
+Reference temperature, an optional input.
diff --git a/Documentation/ProjectFile/prj/processes/process/SMALL_DEFORMATION/t_reference_temperature.md b/Documentation/ProjectFile/prj/processes/process/SMALL_DEFORMATION/t_reference_temperature.md
new file mode 100644
index 0000000000000000000000000000000000000000..ce255b04b7954788eb839b536e39a8f146dc9f1d
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/SMALL_DEFORMATION/t_reference_temperature.md
@@ -0,0 +1 @@
+Reference temperature, an optional input.
diff --git a/Documentation/ProjectFile/prj/processes/process/SMALL_DEFORMATION_WITH_LIE/t_reference_temperature.md b/Documentation/ProjectFile/prj/processes/process/SMALL_DEFORMATION_WITH_LIE/t_reference_temperature.md
new file mode 100644
index 0000000000000000000000000000000000000000..ce255b04b7954788eb839b536e39a8f146dc9f1d
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/SMALL_DEFORMATION_WITH_LIE/t_reference_temperature.md
@@ -0,0 +1 @@
+Reference temperature, an optional input.