diff --git a/README.md b/README.md
index 7df0760..9cbcf08 100644
--- a/README.md
+++ b/README.md
@@ -42,29 +42,29 @@ C-x C-v  | Paste text from system clipboard |
 
 Shortcut | Function |
 :-------:|:--------:|
-o        |insert a new line below|
-S-o      |insert a new line above|
-0        |go to the beginning of the line|
-$        |go to the end of the line|
-v        |enter character selection mode|
-x        |delete selected content|
-V        |enter line selection mode|
-y        |copy selected content|
-p        |paste copied content|
-Ctrl+u   |page up|
-Ctrl+d   |page down|
-:w       |save file|
-:q       |quit vim|
-:/ keyword|search|
-n        |go to the next content|
-S-N      |go to the previous content|
-w        |move forward one word|
-b        |move back one word|
-gg       |move to the top of the file|
-S-G      |move to the bottom of the file|
-Ctrl+\   |show(hide) the Buffers|
-[spc] c l|(un)comment the selected line|
-%s key1/key2/g|replace Key1 with Key2|
+`o`        |insert a new line below|
+`S-o`      |insert a new line above|
+`0`        |go to the beginning of the line|
+`$`        |go to the end of the line|
+`v`        |enter character selection mode|
+`x`        |delete selected content|
+`V`        |enter line selection mode|
+`y`       |copy selected content|
+`p`        |paste copied content|
+`Ctrl+u`   |page up|
+`Ctrl+d`   |page down|
+`:w`       |save file|
+`:q`       |quit vim|
+`:/ keyword`|search|
+`n`        |go to the next content|
+`S-N`      |go to the previous content|
+`w`        |move forward one word|
+`b`        |move back one word|
+`gg`       |move to the top of the file|
+`S-G`      |move to the bottom of the file|
+`Ctrl+\`   |show(hide) the Buffers|
+`[spc] c l`|(un)comment the selected line|
+`%s key1/key2/g`|replace Key1 with Key2|
 
 #### vim && markdown
 * Install `prettier`: `yarn global add prettier` or `npm install --global prettier`