diff --git a/src/obi_ecotag.c b/src/obi_ecotag.c
index 9f08941..97a0c41 100755
--- a/src/obi_ecotag.c
+++ b/src/obi_ecotag.c
@@ -573,7 +573,7 @@ int obi_ecotag(const char* dms_name,
 				best_match = obi_taxo_get_taxon_with_taxid(taxonomy, taxid_best_match);
 				if (best_match == NULL)
 				{
-					obidebug(1, "\nError getting a taxon from a taxid when doing taxonomic assignment");
+					obidebug(1, "\nError getting a taxon from a taxid (%d) when doing taxonomic assignment", taxid_best_match);
 					return -1;
 				}
 				if (j>0)
diff --git a/src/obidmscolumn.h b/src/obidmscolumn.h
index 4b76c79..f1d06bd 100755
--- a/src/obidmscolumn.h
+++ b/src/obidmscolumn.h
@@ -106,7 +106,7 @@ typedef struct OBIDMS_column_header {
 																 	 	 	 *   and '\0\0' as terminal flag.
 																 	 	 	 *	 (default are the indices: "0\01\02\0...\0n\0\0").
 																 	 	 	 */
-	int64_t* 		    elements_names_idx;									/**< Pointer in mem_arnea on the index for the start of each element name in elements_names.
+	int64_t* 		    elements_names_idx;									/**< Pointer in mem_arena on the index for the start of each element name in elements_names.
 																			 */
 	int64_t*			sorted_elements_idx;								/**< Index for the sorted element names in elements_names_idx.
 																			 */
diff --git a/src/obiview.h b/src/obiview.h
index f9f663b..be4b071 100755
--- a/src/obiview.h
+++ b/src/obiview.h
@@ -57,6 +57,9 @@
                                 	 	  	  	 */
 #define TAXID_COLUMN "TAXID"				    /**< The name of the column containing the taxids.       TODO subtype of INT column?
                                 	             */
+#define MERGED_TAXID_COLUMN "merged_TAXID"		/**< The name of the column containing the merged taxids information.
+                                	             */   // TODO maybe mix of lower and uppercase == bad
+
 #define ID_PREFIX "seq"						    /**< The default prefix of sequence identifiers in automatic ID columns.
                                 	 	  	  	 */
 #define PREDICATE_KEY "predicates"		        /**< The key used in the json-formatted view comments to store predicates.