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@@ -201,7 +201,7 @@ Data between different tables are connected by id-columns, so called foreign key
 1. Finally the tables
    - xxx.measurements
    
-**NOTE**: After importing or updating a row, you might be asked to select a key. Please select **Custom Key** and choose the id column.   
+**NOTE**: After updating or deleting rows, you might be asked to select a key (compare issue #10). Please select **Custom Key** and then choose the id column. This needs to be done only once for every table on every computer.   
 
 # Technical aspects not important for basic users 
 ## Table partitioning and use of composite primary keys