trademark: add ™ for APISIX. (#71)

diff --git a/README.md b/README.md
index 1d52ec8..245e68d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-# Apache APISIX Website
+# Apache APISIX™ Website
 
-The website of [Apache APISIX](https://github.com/apache/apisix), a cloud-native microservices api gateway.
+The website of [Apache APISIX™](https://github.com/apache/apisix), a cloud-native microservices api gateway.
 
 ## Usage
 
diff --git a/docs/download.md b/docs/download.md
index b28bffd..8fdeaf7 100644
--- a/docs/download.md
+++ b/docs/download.md
@@ -3,9 +3,9 @@
 title: Downloads
 ---
 
-Use the links below to download the Apache APISIX from one of our mirrors.
+Use the links below to download the Apache APISIX™ from one of our mirrors.
 
-## APISIX
+## APISIX™
 
 | Version | Release Date | Downloads                                                                                                                                                                                                                                                                                                             |
 | ------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@@ -18,7 +18,7 @@
 | 1.0     | 15/01/2020   | [source](https://www.apache.org/dyn/closer.cgi/apisix/apisix/1.0/apache-apisix-1.0-incubating-src.tar.gz) ([asc](https://downloads.apache.org/apisix/apisix/1.0/apache-apisix-1.0-incubating-src.tar.gz.asc) [sha512](https://downloads.apache.org/apisix/apisix/1.0/apache-apisix-1.0-incubating-src.tar.gz.sha512)) |
 | 0.9     | 24/11/2019   | [source](https://www.apache.org/dyn/closer.cgi/apisix/apisix/0.9/apache-apisix-0.9-incubating-src.tar.gz) ([asc](https://downloads.apache.org/apisix/apisix/0.9/apache-apisix-0.9-incubating-src.tar.gz.asc) [sha512](https://downloads.apache.org/apisix/apisix/0.9/apache-apisix-0.9-incubating-src.tar.gz.sha512)) |
 
-## APISIX Dashboard
+## APISIX™ Dashboard
 
 | Version | Release Date | Downloads                                                                                                                                                                                                                                                                                                       |
 | ------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
diff --git a/website/siteConfig.js b/website/siteConfig.js
index c952c51..240128b 100644
--- a/website/siteConfig.js
+++ b/website/siteConfig.js
@@ -28,7 +28,7 @@
 ];
 
 const siteConfig = {
-  title: "Apache APISIX",
+  title: "Apache APISIX™",
   tagline: "The Cloud-Native API Gateway",
   url: "https://apisix.apache.org/",
   baseUrl: "/",
@@ -74,7 +74,7 @@
 
   // This copyright info is used in /core/Footer.js and blog RSS/Atom feeds.
   copyright:
-    "Copyright © 2019-2020 The Apache Software Foundation. Apache APISIX, and its feather logo are trademarks of The Apache Software Foundation.",
+    "Copyright © 2019-2020 The Apache Software Foundation. Apache APISIX, APISIX™, Apache, the Apache feather logo, and the Apache APISIX project logo are either registered trademarks or trademarks of the Apache Software Foundation.",
 
   highlight: {
     // Highlight.js theme to use for syntax highlighting in code blocks.