diff --git a/README.md b/README.md
index 26afe17..5fb371b 100644
--- a/README.md
+++ b/README.md
@@ -1,33 +1,33 @@
 environment:
-    conda env create -f conda_environment.yml
-
+`conda env create -f conda_environment.yml`
     
 requirements:
-    - Python >= 3.12
-    - requests
-    - websocket-client (qrcode login)
-    - qrcode (qrcode login)
-    - Pillow (Add answer to problem; Convert PPT to PDF)
+- Python >= 3.12
+- requests
+- websocket-client (qrcode login)
+- qrcode (qrcode login)
+- Pillow (Add answer to problem; Convert PPT to PDF)
 
 required system binaries:
-    - aria2c (Download files multi-threaded & resume support)
-    - ffmpeg with nvenc support (Concatenate video segments and convert to HEVC)
-""")
+- aria2c (Download files multi-threaded & resume support)
+- ffmpeg with nvenc support (Concatenate video segments and convert to HEVC)
 
-usage: main_windows.py [-h] [-c SESSION_COOKIE] [-y YKT_HOST] [--video] [--ppt] [--ppt-to-pdf] [--ppt-problem-answer]
-                       [--course-name-filter COURSE_NAME_FILTER] [--lesson-name-filter LESSON_NAME_FILTER]
+usage: `main_windows.py [-h] [-c SESSION_COOKIE] [-y YKT_HOST] [--video] [--ppt] [--ppt-to-pdf] [--ppt-problem-answer]
+                       [--course-name-filter COURSE_NAME_FILTER] [--lesson-name-filter LESSON_NAME_FILTER]`
 
 options:
-  -h, --help            Show this help message and exit
-  -c SESSION_COOKIE, --session-cookie SESSION_COOKIE
-                        Session Cookie
-  -y YKT_HOST, --ykt-host YKT_HOST
-                        RainClassroom Host
-  --video               Download Video
-  --ppt                 Download PPT
-  --ppt-to-pdf          Convert PPT to PDF
-  --ppt-problem-answer  Store PPT Problem Answer
-  --course-name-filter COURSE_NAME_FILTER
-                        Filter Course Name
-  --lesson-name-filter LESSON_NAME_FILTER
-                        Filter Lesson Name
+```
+-h, --help            Show this help message and exit
+-c SESSION_COOKIE, --session-cookie SESSION_COOKIE
+                    Session Cookie
+-y YKT_HOST, --ykt-host YKT_HOST
+                    RainClassroom Host
+--video               Download Video
+--ppt                 Download PPT
+--ppt-to-pdf          Convert PPT to PDF
+--ppt-problem-answer  Store PPT Problem Answer
+--course-name-filter COURSE_NAME_FILTER
+                    Filter Course Name
+--lesson-name-filter LESSON_NAME_FILTER
+                    Filter Lesson Name
+```