diff --git a/docs/8.0/ayanova/docs/svc-workorders.md b/docs/8.0/ayanova/docs/svc-workorders.md
index 888dedb0..ed32a6f4 100644
--- a/docs/8.0/ayanova/docs/svc-workorders.md
+++ b/docs/8.0/ayanova/docs/svc-workorders.md
@@ -18,3 +18,5 @@ docs / sections required
     * Serial numbers are likewise immediately consumed / returned to the pool upon edits to workorder item part records
     * A zero quantity part will be considered a "placeholder" and will neither affect inventory nor serial numbers until a quantity is entered and saved
 
+* conventions in usage: 
+    * Work order item Unit - Enter a single Unit only in the work order item units collection if intend to run reports tying other work order item sections to that unit (e.g. labor hours spent on *that* unit, parts used with *that* unit, etc).  Entering more than one unit per work order item will make it difficult to match other work order item record types to a particular unit when reporting.