diff --git a/doc/src/Developer_utils.rst b/doc/src/Developer_utils.rst
index a9969b7543..7172f81eb7 100644
--- a/doc/src/Developer_utils.rst
+++ b/doc/src/Developer_utils.rst
@@ -205,6 +205,9 @@ Convenience functions
 .. doxygenfunction:: logmesg(LAMMPS *lmp, const std::string &mesg)
    :project: progguide
 
+.. doxygenfunction:: flush_buffers(LAMMPS *lmp)
+   :project: progguide
+
 .. doxygenfunction:: getsyserror
    :project: progguide