fix typo (#78)

Author: johzzy

i18n/en-us/docusaurus-plugin-content-docs/current/doc/http-server.md

@@ -25,7 +25,7 @@ like the camera of mobile phone.
 SRS should provides HTTP api, which is actually a embeded HTTP server.
 
 Actually, RTMP is more complex than HTTP, so HTTP server on st is absolutely ok.
-The HTTP Server in SRS1.0 is expirement, I will enhance it future.
+The HTTP Server in SRS1.0 is an experiment, and I will enhance it in the future.
 
 ## Config
 

versioned_docs/version-4.0/doc/http-server.md

@@ -23,7 +23,7 @@ like the camera of mobile phone.
 SRS should provides HTTP api, which is actually a embeded HTTP server.
 
 Actually, RTMP is more complex than HTTP, so HTTP server on st is absolutely ok.
-The HTTP Server in SRS1.0 is expirement, I will enhance it future.
+The HTTP Server in SRS1.0 is an experiment, and I will enhance it in the future.
 
 ## Config
 

versioned_docs/version-5.0/doc/http-server.md

@@ -25,7 +25,7 @@ like the camera of mobile phone.
 SRS should provides HTTP api, which is actually a embeded HTTP server.
 
 Actually, RTMP is more complex than HTTP, so HTTP server on st is absolutely ok.
-The HTTP Server in SRS1.0 is expirement, I will enhance it future.
+The HTTP Server in SRS1.0 is an experiment, and I will enhance it in the future.
 
 ## Config
 

versioned_docs/version-6.0/doc/http-server.md

@@ -25,7 +25,7 @@ like the camera of mobile phone.
 SRS should provides HTTP api, which is actually a embeded HTTP server.
 
 Actually, RTMP is more complex than HTTP, so HTTP server on st is absolutely ok.
-The HTTP Server in SRS1.0 is expirement, I will enhance it future.
+The HTTP Server in SRS1.0 is an experiment, and I will enhance it in the future.
 
 ## Config