[apisix] branch sw-doc-polish updated: Update skywalking.md

[wu...@apache.org]

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wusheng pushed a commit to branch sw-doc-polish
in repository https://gitbox.apache.org/repos/asf/apisix.git


The following commit(s) were added to refs/heads/sw-doc-polish by this push:
     new cf84f7d  Update skywalking.md
cf84f7d is described below

commit cf84f7d387ec067295ebab585986cee734231ff6
Author: 吴晟 Wu Sheng <wu...@foxmail.com>
AuthorDate: Sun May 30 15:51:51 2021 +0800

    Update skywalking.md
---
 docs/en/latest/plugins/skywalking.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/latest/plugins/skywalking.md b/docs/en/latest/plugins/skywalking.md
index d72a8de..3558c3b 100644
--- a/docs/en/latest/plugins/skywalking.md
+++ b/docs/en/latest/plugins/skywalking.md
@@ -33,7 +33,7 @@ title: skywalking
 
 ## Name
 
-[**Skywalking**](https://github.com/apache/skywalking) is an OpenTracing plugin.\
+[**Skywalking**](https://github.com/apache/skywalking) uses its native Ningx LUA tracer to provide tracing, topology analysis, and metrics from service and URI perspective.\
 The skywalking server can supports both http and grpc protocols. The APISIX client only support http protocols.
 
 ## Attributes