doc: fix typo in install-dependencies.md (#852)

Author: juzhiyuan

doc/install-dependencies.md

@@ -25,17 +25,17 @@
 - [Ubuntu 16.04 & 18.04](#ubuntu-1604--1804)
 - [Debian 9 & 10](#debian-9--10)
 - [Mac OSX](#mac-osx)
-- [How to compile the Openresty](#how-to-compile-the-openresty)
+- [How to compile the OpenResty](#how-to-compile-the-openresty)
 
 CentOS 6
 ========
 
 ```shell
-# add openresty source
+# add OpenResty source
 sudo yum install yum-utils
 sudo yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo
 
-# install openresty, etcd and some compilation tools
+# install OpenResty, etcd and some compilation tools
 sudo yum install -y openresty curl git gcc luarocks lua-devel make
 
 wget https://github.com/etcd-io/etcd/releases/download/v3.3.13/etcd-v3.3.13-linux-amd64.tar.gz
@@ -55,11 +55,11 @@ CentOS 7
 wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
 sudo rpm -ivh epel-release-latest-7.noarch.rpm
 
-# add openresty source
+# add OpenResty source
 sudo yum install yum-utils
 sudo yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo
 
-# install openresty, etcd and some compilation tools
+# install OpenResty, etcd and some compilation tools
 sudo yum install -y etcd openresty curl git gcc luarocks lua-devel
 
 # start etcd server
@@ -70,13 +70,13 @@ Ubuntu 16.04 & 18.04
 ====================
 
 ```shell
-# add openresty source
+# add OpenResty source
 wget -qO - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
 sudo apt-get -y install software-properties-common
 sudo add-apt-repository -y "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main"
 sudo apt-get update
 
-# install openresty, etcd and some compilation tools
+# install OpenResty, etcd and some compilation tools
 sudo apt-get install -y git etcd openresty curl luarocks
 
 # start etcd server
@@ -93,7 +93,7 @@ sed -i 's|^deb http://security.debian.org/debian-security|deb http://mirrors.hua
 apt update
 apt install wget gnupg -y
 
-# add openresty source
+# add OpenResty source
 wget -qO - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
 sudo apt-get -y install software-properties-common
 sudo add-apt-repository -y "deb http://openresty.org/package/debian $(lsb_release -sc) openresty"
@@ -105,7 +105,7 @@ tar -xvf etcd-v3.3.13-linux-amd64.tar.gz && \
     cd etcd-v3.3.13-linux-amd64 && \
     sudo cp -a etcd etcdctl /usr/bin/
 
-# install openresty and some compilation tools
+# install OpenResty and some compilation tools
 sudo apt-get install -y git openresty curl luarocks make
 
 # start etcd server
@@ -116,15 +116,15 @@ Mac OSX
 =======
 
 ```shell
-# install openresty, etcd and some compilation tools
+# install OpenResty, etcd and some compilation tools
 brew install openresty/brew/openresty etcd luarocks curl git
 
 # start etcd server with v2 protocol
 etcd --enable-v2=true &
 ```
 
-How to compile the Openresty
-=======
+How to compile the OpenResty
+============================
 
 Compiling OpenResty from source is very complicated, it's not easy to make it clear. So we recommend that you refer to the official installation documentation.