diff --git a/Documentation/ProjectFile/prj/linear_solvers/i_linear_solvers.md b/Documentation/ProjectFile/prj/linear_solvers/i_linear_solvers.md
index 576add64edccf5d980a0ff86143dc43a7109a788..b18a1074e7e43a302c36cdf4b4dafea0e8429e32 100644
--- a/Documentation/ProjectFile/prj/linear_solvers/i_linear_solvers.md
+++ b/Documentation/ProjectFile/prj/linear_solvers/i_linear_solvers.md
@@ -1 +1 @@
-\ogs_missing_documentation
+Contains linear solver settings.
diff --git a/Documentation/ProjectFile/prj/linear_solvers/linear_solver/i_linear_solver.md b/Documentation/ProjectFile/prj/linear_solvers/linear_solver/i_linear_solver.md
index 576add64edccf5d980a0ff86143dc43a7109a788..21e2a2010b77c5b24da255a80f74cd6681ef283d 100644
--- a/Documentation/ProjectFile/prj/linear_solvers/linear_solver/i_linear_solver.md
+++ b/Documentation/ProjectFile/prj/linear_solvers/linear_solver/i_linear_solver.md
@@ -1 +1,3 @@
-\ogs_missing_documentation
+Defines a single linear solver.
+
+See \ref ogs_file_param__linear_solver.