diff --git a/tutorial/tutorial08.yml b/tutorial/tutorial08.yml
index 84d5306..7de7e70 100644
--- a/tutorial/tutorial08.yml
+++ b/tutorial/tutorial08.yml
@@ -56,10 +56,9 @@ cables:
     # add a list of additional components to a part (shown in graph)
     additional_components:
       -
-        type: Sleve # short identifier used in graph
+        type: Sleeve # short identifier used in graph
         subtype: Braided nylon, black, 3mm # extra information added to type in bom
         qty_multiplier: length # multipier for quantity (length of cable)
-        unit: m
         pn: SLV-1