diff --git a/placement-api-ref/source/resource_classes.inc b/placement-api-ref/source/resource_classes.inc
index 4bd317e5c..256ea3557 100644
--- a/placement-api-ref/source/resource_classes.inc
+++ b/placement-api-ref/source/resource_classes.inc
@@ -6,7 +6,7 @@ Resource classes are entities that indicate standard or
 deployer-specific resources that can be provided by a resource
 provider.
 
-.. note:: Resource class API calls are availiable starting from version 1.2.
+.. note:: Resource class API calls are available starting from version 1.2.
 
 List resource classes
 =====================