diff --git a/specification/addons/resource-manager/Microsoft.Addons/preview/2018-03-01/addons-swagger.json b/specification/addons/resource-manager/Microsoft.Addons/preview/2018-03-01/addons-swagger.json
index 730f3b561af3..333d8238eafd 100644
--- a/specification/addons/resource-manager/Microsoft.Addons/preview/2018-03-01/addons-swagger.json
+++ b/specification/addons/resource-manager/Microsoft.Addons/preview/2018-03-01/addons-swagger.json
@@ -295,7 +295,7 @@
     },
     "CanonicalSupportPlanInfoDefinition": {
       "type": "object",
-      "description": "Definition object with the properties of a camonical plan",
+      "description": "Definition object with the properties of a canonical plan",
       "properties": {
         "supportPlanType": {
           "type": "string",