[skywalking] branch wu-sheng-patch-1 created (now b4a5e02)

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      at b4a5e02  Update README.md

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     new b4a5e02  Update README.md

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[skywalking] 01/01: Update README.md

[wu...@apache.org]

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wusheng pushed a commit to branch wu-sheng-patch-1
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commit b4a5e02d87fb9b87c8c5deb017977bacb8de8041
Author: 吴晟 Wu Sheng <wu...@foxmail.com>
AuthorDate: Wed Dec 9 09:11:49 2020 +0800

    Update README.md
---
 docs/en/setup/service-agent/java-agent/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/setup/service-agent/java-agent/README.md b/docs/en/setup/service-agent/java-agent/README.md
index db886c5..e32138a 100755
--- a/docs/en/setup/service-agent/java-agent/README.md
+++ b/docs/en/setup/service-agent/java-agent/README.md
@@ -72,7 +72,7 @@ This is the properties list supported in `agent/config/agent.config`.
 property key | Description | Default |
 ----------- | ---------- | --------- | 
 `agent.namespace` | Namespace isolates headers in cross process propagation. The HEADER name will be `HeaderName:Namespace`. | Not set | 
-`agent.service_name` | The service name to represent a logic group providing the same capabilities/logic. Suggestion: set a unique name for every logic service group, service instance nodes share the same code, Max length is 50(UTF-8 char) | `Your_ApplicationName` |
+`agent.service_name` | The service name to represent a logic group providing the same capabilities/logic. Suggestion: set a unique name for every logic service group, service instance nodes share the same code, Max length is 50(UTF-8 char). Optional, once `service_name` follows `<group name>::<service name>` format, OAP server assgins the group name to the service metadata.| `Your_ApplicationName` |
 `agent.sample_n_per_3_secs`|Negative or zero means off, by default.SAMPLE_N_PER_3_SECS means sampling N TraceSegment in 3 seconds tops.|Not set|
 `agent.authentication`|Authentication active is based on backend setting, see application.yml for more details.For most scenarios, this needs backend extensions, only basic match auth provided in default implementation.|Not set|
 `agent.span_limit_per_segment`|The max number of spans in a single segment. Through this config item, SkyWalking keep your application memory cost estimated.|300 |