Fix various errata found from testing.
diff --git a/specification/json/sections/cper-pci-bus.json b/specification/json/sections/cper-pci-bus.json
index 0e9c121..a2bc18e 100644
--- a/specification/json/sections/cper-pci-bus.json
+++ b/specification/json/sections/cper-pci-bus.json
@@ -61,6 +61,9 @@
         "busAddress": {
             "type": "integer"
         },
+        "busData": {
+            "type": "integer"
+        },
         "busCommandType": {
             "type": "string"
         },