Fix summary for defer

Author: Sleitnick

content/en-us/reference/engine/libraries/task.yaml

@@ -51,7 +51,7 @@ functions:
     code_samples:
   - name: task.defer
     summary: |
-      Calls/resumes a function/coroutine on the next resumption cycle.
+      Calls/resumes a function/coroutine at the end of the current resumption cycle.
     description: |
       Accepts a function or a thread (as returned by coroutine.create) and
       defers it until the end of the current