diff --git a/docs/schemas/domain/IfcHvacDomain/PropertyEnumerations/PEnum_CoilCoolant.md b/docs/schemas/domain/IfcHvacDomain/PropertyEnumerations/PEnum_CoilCoolant.md
index f0daf946a..c93aae202 100644
--- a/docs/schemas/domain/IfcHvacDomain/PropertyEnumerations/PEnum_CoilCoolant.md
+++ b/docs/schemas/domain/IfcHvacDomain/PropertyEnumerations/PEnum_CoilCoolant.md
@@ -16,7 +16,7 @@ Glycol
 required category not on scale
 
 ### NOTKNOWN
-Value is unkown
+Value is unknown
 
 ### UNSET
 Value has not been specified