diff --git a/ompi/mpi/man/man3/MPI_Topo_test.3in b/ompi/mpi/man/man3/MPI_Topo_test.3in
index c3c9ab72c3..4d4b7bbcd2 100644
--- a/ompi/mpi/man/man3/MPI_Topo_test.3in
+++ b/ompi/mpi/man/man3/MPI_Topo_test.3in
@@ -65,6 +65,7 @@ The output value \fItop_type\fP is one of the following:
 .nf
     MPI_GRAPH		graph topology
     MPI_CART		Cartesian topology
+    MPI_DIST_GRAPH	distributed graph topology
     MPI_UNDEFINED	no topology
 
 .fi