diff --git a/index.d.ts b/index.d.ts
index e4e21dd..7016831 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -79,10 +79,10 @@ declare namespace Connex {
     namespace Thor {
         interface Ticker {
             /**
-             * @returns a promise resolves right after head block changed
+             * @returns a promise resolves to summary of head block right after head block changed
              * @remarks The returned promise never rejects.
              */
-            next(): Promise<void>
+            next(): Promise<Status['head']>
         }
 
         interface AccountVisitor {
@@ -486,7 +486,7 @@ declare namespace Connex {
          * Returns whether an address is owned by user
          * @param addr account address
          */
-        owned(addr: string): boolean
+        owned(addr: string): Promise<boolean>
     }
 
     namespace Vendor {