diff --git a/README.md b/README.md
index 91cfd17..7edf1da 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@
         -- Instance means the number of Nginx deployment, does not mean the worker instances
         metadata_buffer:set('serviceInstanceName', 'User Service Instance Name')
         -- type 'boolean', mark the entrySpan include host/domain
-        metadata_buffer:set('includeHostInEntrySpan', 'Whether the endpoint name include host/domain')
+        metadata_buffer:set('includeHostInEntrySpan', false)
         
         -- set random seed
         require("skywalking.util").set_randomseed()
diff --git a/examples/nginx.conf b/examples/nginx.conf
index 9e4b495..c3a7d41 100644
--- a/examples/nginx.conf
+++ b/examples/nginx.conf
@@ -37,7 +37,8 @@
         metadata_buffer:set('serviceName', 'User Service Name')
         -- Instance means the number of Nginx deloyment, does not mean the worker instances
         metadata_buffer:set('serviceInstanceName', 'User Service Instance Name')
-        metadata_buffer:set('includeHostInEntrySpan', 'Whether the endpoint name include HOST/domain')
+        -- type 'boolean', mark the entrySpan include host/domain
+        metadata_buffer:set('includeHostInEntrySpan', false)
 
         require("skywalking.util").set_randomseed()
         require("skywalking.client"):startBackendTimer("http://127.0.0.1:8080")