diff --git a/openair2/ENB_APP/enb_paramdef.h b/openair2/ENB_APP/enb_paramdef.h
index 21e2e1b70387ce5ee2323f71d6e6c756a1a7e5c1..e6e97069fabf858e574685897d02bfa30392b409 100644
--- a/openair2/ENB_APP/enb_paramdef.h
+++ b/openair2/ENB_APP/enb_paramdef.h
@@ -104,6 +104,11 @@ typedef enum {
 #define CONFIG_STRING_RU_NR_FLAG                  "nr_flag"
 #define CONFIG_STRING_RU_NR_SCS_FOR_RASTER        "nr_scs_for_raster"
 
+#define HLP_RU_SF_AHEAD "LTE TX processing advance"
+#define HLP_RU_SL_AHEAD "NR TX processing advance"
+#define HLP_RU_NR_FLAG "Use NR numerology (for AW2SORI)"
+#define HLP_RU_NR_SCS_FOR_RASTER "NR SCS for raster (for AW2SORI)"
+
 #define RU_LOCAL_IF_NAME_IDX          0
 #define RU_LOCAL_ADDRESS_IDX          1
 #define RU_REMOTE_ADDRESS_IDX         2
@@ -171,10 +176,10 @@ typedef enum {
     {CONFIG_STRING_RU_IF_FREQUENCY,                NULL,       0,       u64ptr:NULL,     defuintval:0,            TYPE_UINT64,      0}, \
     {CONFIG_STRING_RU_IF_FREQ_OFFSET,              NULL,       0,       iptr:NULL,       defintval:0,             TYPE_INT,         0}, \
     {CONFIG_STRING_RU_DO_PRECODING,                NULL,       0,       iptr:NULL,       defintval:0,             TYPE_INT,         0}, \
-    {CONFIG_STRING_RU_SF_AHEAD,                    NULL,       0,       iptr:NULL,       defintval:4,             TYPE_INT,         0}, \
-    {CONFIG_STRING_RU_SL_AHEAD,                    NULL,       0,       iptr:NULL,       defintval:6,             TYPE_INT,         0}, \
-    {CONFIG_STRING_RU_NR_FLAG,                     NULL,       0,       iptr:NULL,       defintval:0,             TYPE_INT,         0}, \
-    {CONFIG_STRING_RU_NR_SCS_FOR_RASTER,           NULL,       0,       iptr:NULL,       defintval:1,             TYPE_INT,         0}, \
+    {CONFIG_STRING_RU_SF_AHEAD,          HLP_RU_SF_AHEAD,      0,       iptr:NULL,       defintval:4,             TYPE_INT,         0}, \
+    {CONFIG_STRING_RU_SL_AHEAD,          HLP_RU_SL_AHEAD,      0,       iptr:NULL,       defintval:6,             TYPE_INT,         0}, \
+    {CONFIG_STRING_RU_NR_FLAG,           HLP_RU_NR_FLAG,       0,       iptr:NULL,       defintval:0,             TYPE_INT,         0}, \
+    {CONFIG_STRING_RU_NR_SCS_FOR_RASTER, HLP_RU_NR_SCS_FOR_RASTER, 0,   iptr:NULL,       defintval:1,             TYPE_INT,         0}, \
   }
 
 /*---------------------------------------------------------------------------------------------------------------------------------------*/