doc: fixed a typo.

Author: agentzh

README.markdown

@@ -264,7 +264,7 @@ It is highly recommended to use the [ngx_openresty bundle](http://openresty.org)
 
 Alternatively, ngx_lua can be manually compiled into Nginx:
 
-1. Install LuaJIT 2.0 or 2.1 (recommended) or Lua 5.1 (Lua 5.2 is *not* supported yet). LuaJIT can be downloaded from the [the LuaJIT project website](http://luajit.org/download.html) and Lua 5.1, from the [Lua project website](http://www.lua.org/).  Some distribution package managers also distribute LuajIT and/or Lua.
+1. Install LuaJIT 2.0 or 2.1 (recommended) or Lua 5.1 (Lua 5.2 is *not* supported yet). LuaJIT can be downloaded from the [the LuaJIT project website](http://luajit.org/download.html) and Lua 5.1, from the [Lua project website](http://www.lua.org/).  Some distribution package managers also distribute LuaJIT and/or Lua.
 1. Download the latest version of the ngx_devel_kit (NDK) module [HERE](https://github.com/simpl/ngx_devel_kit/tags).
 1. Download the latest version of ngx_lua [HERE](https://github.com/openresty/lua-nginx-module/tags).
 1. Download the latest version of Nginx [HERE](http://nginx.org/) (See [Nginx Compatibility](#nginx-compatibility))

doc/HttpLuaModule.wiki

@@ -199,7 +199,7 @@ It is highly recommended to use the [http://openresty.org ngx_openresty bundle]
 
 Alternatively, ngx_lua can be manually compiled into Nginx:
 
-# Install LuaJIT 2.0 or 2.1 (recommended) or Lua 5.1 (Lua 5.2 is ''not'' supported yet). LuaJIT can be downloaded from the [http://luajit.org/download.html the LuaJIT project website] and Lua 5.1, from the [http://www.lua.org/ Lua project website].  Some distribution package managers also distribute LuajIT and/or Lua.
+# Install LuaJIT 2.0 or 2.1 (recommended) or Lua 5.1 (Lua 5.2 is ''not'' supported yet). LuaJIT can be downloaded from the [http://luajit.org/download.html the LuaJIT project website] and Lua 5.1, from the [http://www.lua.org/ Lua project website].  Some distribution package managers also distribute LuaJIT and/or Lua.
 # Download the latest version of the ngx_devel_kit (NDK) module [https://github.com/simpl/ngx_devel_kit/tags HERE].
 # Download the latest version of ngx_lua [https://github.com/openresty/lua-nginx-module/tags HERE].
 # Download the latest version of Nginx [http://nginx.org/ HERE] (See [[#Nginx Compatibility|Nginx Compatibility]])