diff --git a/doc/src/Library_utility.rst b/doc/src/Library_utility.rst
index 3d2fae53d3..5fbb3efd89 100644
--- a/doc/src/Library_utility.rst
+++ b/doc/src/Library_utility.rst
@@ -9,6 +9,8 @@ some utility functions that are not directly calling LAMMPS:
 - :cpp:func:`lammps_set_fix_external_callback`
 - :cpp:func:`lammps_fix_external_set_energy_global`
 - :cpp:func:`lammps_fix_external_set_virial_global`
+- :cpp:func:`lammps_is_running`
+- :cpp:func:`lammps_force_timeout`
 - :cpp:func:`lammps_has_error`
 - :cpp:func:`lammps_get_last_error_message`
 
@@ -39,6 +41,16 @@ some utility functions that are not directly calling LAMMPS:
 
 -----------------------
 
+.. doxygenfunction:: lammps_is_running
+   :project: progguide
+
+-----------------------
+
+.. doxygenfunction:: lammps_force_timeout
+   :project: progguide
+
+-----------------------
+
 .. doxygenfunction:: lammps_has_error
    :project: progguide