Update 100-basic-commands.md

fix typo

src/data/roadmaps/linux/content/100-navigation-basics/100-basic-commands.md

@@ -12,7 +12,7 @@ ls
 # View current working directory
 pwd  
 
-# Displays the mannual page for a command
+# Displays the manual page for a command
 man ls
 ```
 
@@ -20,4 +20,4 @@ In this brief introduction, we will discuss and explore these basic commands and
 
 Learn more from the following resources:
 
-- [@article@Linux pwd Command: Directory Displaying](https://labex.io/tutorials/linux-file-and-directory-operations-17997)
+- [@article@Linux pwd Command: Directory Displaying](https://labex.io/tutorials/linux-file-and-directory-operations-17997)