Fixed wording of MXM parameters as suggested By Jeff.

This commit was SVN r26545.

ompi/mca/mtl/mxm/mtl_mxm.c

@@ -139,8 +139,9 @@ int ompi_mtl_mxm_module_init(void)
     }
 
     if (totps < (size_t)ompi_mtl_mxm.mxm_np) {
-        MXM_VERBOSE(1, "MXM support will be disabled because of total number of processes"
+        MXM_VERBOSE(1, "MXM support will be disabled because of total number "
-                "(%lu) is less then default (%u)",totps, ompi_mtl_mxm.mxm_np);
+                    "of processes (%lu) is less than the minimum set by the "
+                    "mtl_mxm_np MCA parameter (%u)", totps, ompi_mtl_mxm.mxm_np);
         return OMPI_ERR_NOT_SUPPORTED;
     }
     MXM_VERBOSE(1, "MXM support enabled");

ompi/mca/mtl/mxm/mtl_mxm_component.c

@@ -71,7 +71,8 @@ static int ompi_mtl_mxm_component_register(void)
                            &ompi_mtl_mxm.verbose);
 
     mca_base_param_reg_int(c, "np",
-            "[integer] Minimal allowed job's NP to activate MXM",
+            "[integer] Minimal number of MPI processes in a single job "
+            "required to activate the MXM transport",
             false, false,
             128,
             &ompi_mtl_mxm.mxm_np);