From 73a4d3c1de1163897010087df7442abc4b326459 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=99=9F=20Wu=20Sheng?= <wu.sheng@foxmail.com>
Date: Sat, 13 Jul 2019 19:34:19 +0800
Subject: [PATCH] Update Java-Plugin-Development-Guide.md (#3067)

---
 docs/en/guides/Java-Plugin-Development-Guide.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/en/guides/Java-Plugin-Development-Guide.md b/docs/en/guides/Java-Plugin-Development-Guide.md
index 12b817dc6..f24ffd6f2 100644
--- a/docs/en/guides/Java-Plugin-Development-Guide.md
+++ b/docs/en/guides/Java-Plugin-Development-Guide.md
@@ -192,6 +192,7 @@ needs to set in another thread, you should use these APIs.
     AbstractSpan asyncFinish();
 ```
 1. Call `#prepareForAsync` in original context.
+1. Do `ContextManager#stopSpan` in original context when your job in current thread is done.
 1. Propagate the span to any other thread.
 1. After all set, call `#asyncFinish` in any thread.
 1. Tracing context will be finished and report to backend when all spans's `#prepareForAsync` finished(Judged by count of API execution).