update readme file

README.md

@@ -23,11 +23,14 @@ Please exercise good judgement when using this script. The folks at Linux Academ
 
 Tested on a fresh install of CentOS 7.6 Your installation packet-names may vary depending on your OS.
 
-    $ sudo -i 
-    # yum install python3 python3-pip git unzip ffmpeg -y
-    # pip3 install selenium youtube-dl
-    # cd /opt && git clone https://code.michu-it.com/michael/selenium-linuxacademy-dl.git
-    # cd selenium-linuxacademy-dl && chmod +x linuxacademy-dl.py
+```
+$ sudo -i
+
+# yum install python3 python3-pip git unzip ffmpeg -y
+# pip3 install selenium youtube-dl
+# cd /opt && git clone https://code.michu-it.com/michael/selenium-linuxacademy-dl.git
+# cd selenium-linuxacademy-dl && chmod +x linuxacademy-dl.py
+```
     
 ### Browser
 
@@ -37,36 +40,46 @@ You will need Chrome or Firefox and its matching driver.
 
 Install [Google Chrome](https://www.google.com/chrome/) and download the appropriate [ChromeDriver](https://chromedriver.chromium.org/downloads) version. Make sure the `chromedriver` executable is in your PATH (e.g., `/usr/local/bin`).
 
-    # wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm
-    # yum install ./google-chrome-stable_current_*.rpm
-    # wget https://chromedriver.storage.googleapis.com/78.0.3904.105/chromedriver_linux64.zip
-    # unzip chromedriver_linux64.zip
-    # cp chromedriver /usr/bin/
+```
+# wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm
+# yum install ./google-chrome-stable_current_*.rpm
+
+# wget https://chromedriver.storage.googleapis.com/78.0.3904.105/chromedriver_linux64.zip
+# unzip chromedriver_linux64.zip
+# cp chromedriver /usr/bin/
+```
     
 #### Firefox example for Debian
 
 Install Mozilla Firefox and download [geckodriver](https://github.com/mozilla/geckodriver/releases).
 
-    # apt install firefox
-    # tar xzf geckodriver-*-linux64.tar.gz
-    # cp geckodriver /usr/bin/
+```
+# apt install firefox
+
+# tar xzf geckodriver-*-linux64.tar.gz
+# cp geckodriver /usr/bin/
+```
+
 
 ## Usage
 
 This will only work with an active Linux Academy subscription. If you do not have one, please get one [here](https://linuxacademy.com/pricing/).
 
-    Usage:
-        ./linuxacademy-dl.py [-u|--username] [-p|--password] [-d|--download-dir] [-c|--cookies-file] COURSE_URL
-    
-        Options may be replaced with environment variables. Command line options take precedence.
-            LADL_USERNAME, LADL_PASSWORD, LADL_DIR, LADL_COOKIES
-    
-    Examples:
-        $ ./linuxacademy-dl.py -u person@exmple.com -p p@ssw0rd https://linuxacademy.com/cp/modules/view/id/346
-    
-        $ export LADL_USERNAME=person@example.com
-        $ export LADL_PASSWORD=p@ssw0rd
-        $ export LADL_DIR=/opt/linux-academy-videos
-        $ ./linuxacademy-dl.py https://linuxacademy.com/cp/modules/view/id/346
+```
+Usage:
+    ./linuxacademy-dl.py [-u|--username] [-p|--password] [-d|--download-dir] [-c|--cookies-file] COURSE_URL
+
+    Options may be replaced with environment variables. Command line options take precedence.
+        LADL_USERNAME, LADL_PASSWORD, LADL_DIR, LADL_COOKIES
+
+Examples:
+    $ ./linuxacademy-dl.py -u person@exmple.com -p p@ssw0rd https://linuxacademy.com/cp/modules/view/id/346
+
+    $ export LADL_USERNAME=person@example.com
+    $ export LADL_PASSWORD=p@ssw0rd
+    $ export LADL_DIR=/opt/linux-academy-videos
+    $ ./linuxacademy-dl.py https://linuxacademy.com/cp/modules/view/id/346
+```
+
 
 The username/email and password fields are required. The cookie file will opt to `$PWD/cookies.txt` and the download directory will default to `$SCRIPT_DIR/download`, where `$SCRIPT_DIR` is the path of the `linuxacademy-dl.py` script.