diff --git a/doc/user/mca-orte.tex b/doc/user/mca-orte.tex
index 5d4f1a0fb6..b60e6b6119 100644
--- a/doc/user/mca-orte.tex
+++ b/doc/user/mca-orte.tex
@@ -106,7 +106,7 @@ common global key is ``{\tt cpu}''.  This key takes an integer value
 and indicates to Open MPI how many CPUs are available for Open MPI to use.  If
 the key is not present, the value of 1 is assumed.  This number does
 {\em not} need to reflect the physical number of CPUs -- it can be
-smaller then, equal to, or greater than the number of physical CPUs in
+smaller than, equal to, or greater than the number of physical CPUs in
 the machine.  It is solely used as a shorthand notation for
 \icmd{mpirun}'s ``C'' notation, meaning ``launch one process per CPU
 as specified in the boot schema file.''  For example, in the following
diff --git a/ompi/mca/btl/openib/help-mpi-btl-openib.txt b/ompi/mca/btl/openib/help-mpi-btl-openib.txt
index 03d376f881..1f4a8fc500 100644
--- a/ompi/mca/btl/openib/help-mpi-btl-openib.txt
+++ b/ompi/mca/btl/openib/help-mpi-btl-openib.txt
@@ -497,7 +497,7 @@ OpenFabrics BTL will therefore be deactivated for this run.
 #
 [non optimal rd_win]
 WARNING: rd_win specification is non optimal. For maximum performance it is
-advisable to configure rd_win smaller then (rd_num - rd_low), but currently
+advisable to configure rd_win smaller than (rd_num - rd_low), but currently
 rd_win = %d and (rd_num - rd_low) = %d.
 #
 [apm without lmc]
diff --git a/opal/class/opal_graph.c b/opal/class/opal_graph.c
index 17c9dc5df8..2429f3768f 100644
--- a/opal/class/opal_graph.c
+++ b/opal/class/opal_graph.c
@@ -733,7 +733,7 @@ uint32_t opal_graph_dijkstra(opal_graph_t *graph, opal_graph_vertex_t *vertex, o
             /**
              * if the distance from the first vertex in the queue to the I
              * vertex in the queue plus the distance of the first vertex in
-             * the queue from the referenced vertex is smaller then the
+             * the queue from the referenced vertex is smaller than the
              * distance of the I vertex from the referenced vertex, assign
              * the lower distance to the I vertex.
              */