EndUserDocumentation.md

@@ -170,7 +170,7 @@ At the moment of writing, the following patterns are supported:
 ### Categorical Bar Charts
 
   #### Vertical
-  `--diagram-type BarChart`
+  `--vertical-csv --diagram-type BarChart`
 
   |Column 1|Column 2|Column 3|...|Column n|
   |---|---|---|---|---|