diff --git a/soitool/database.py b/soitool/database.py
index e5c92de16413b55b69b4cd98ab2ac95633da28af..61b07628b89e6187275cf041b5eaec7efa1f21e0 100644
--- a/soitool/database.py
+++ b/soitool/database.py
@@ -184,7 +184,7 @@ class Database:
         codes = soitool.coder.get_code_set(number_of_entries, code_len)
         # Statement for update
         stmt = "UPDATE CodeBook SET Code = ?"
-        # Wiping Code column because of UNIQUE
+        # Inserting NULL into Code column because of UNIQUE constraint
         self.conn.execute(stmt, (None,))
         # Fill Code column with new codes
         stmt = stmt + "WHERE Word = ?"