diff --git a/src/nt/nttable.h b/src/nt/nttable.h
index 94171db..5adb5d0 100644
--- a/src/nt/nttable.h
+++ b/src/nt/nttable.h
@@ -53,7 +53,7 @@ namespace detail {
          * @param elementType column type, a scalar array.
          * @return this instance of <b>NTTableBuilder</b>.
          */
-        shared_pointer addColumn(std::string const & name, epics::pvData::ScalarType elememtType);
+        shared_pointer addColumn(std::string const & name, epics::pvData::ScalarType elementType);
 
         /**
          * Add descriptor field to the NTTable.
diff --git a/src/nt/nturi.h b/src/nt/nturi.h
index 7bc6a44..90356c4 100644
--- a/src/nt/nturi.h
+++ b/src/nt/nturi.h
@@ -74,14 +74,6 @@ namespace detail {
          */
          shared_pointer addQueryInt(std::string const & name);
 
-        /**
-         * Add a column of given <b>Scalar</b> type.
-         * @param name name of the column.
-         * @param elementType column type, a scalar array.
-         * @return this instance of <b>NTURIBuilder</b>.
-         */
-        //shared_pointer addColumn(std::string const & name, epics::pvData::ScalarType elememtType);
-
         /**
          * Create a <b>Structure</b> that represents NTURI.
          * This resets this instance state and allows new instance to be created.