[U] typo fix

README.md

@@ -1,18 +1,22 @@
 # ohmyzsh-theme-passion
+
 An oh-my-zsh theme.
 
-## Introducion
+## Introduction
+
 ![passion](https://raw.githubusercontent.com/ChesterYue/ohmyzsh-theme-passion/master/passion.gif)
 
-* time prompt will update once you finish inputting.
-* time cost will show after command running.
+* real time prompt.
+* command running time cost prompt.
 
 ## Usage
+
 REF: [Oh-My-Zsh External themes](https://github.com/ohmyzsh/ohmyzsh/wiki/External-themes)
 
 ## Trouble Shooting
 
 ### macOS
-passsion.zsh-theme depends on cmd ```gdate``` to get current time in milliseconds which is not installed by default in macOS.
 
-to get ```gdate``` by running ```brew install coreutils;```
+passion.zsh-theme depends on cmd ```gdate``` to get current time in milliseconds which is not installed by default in macOS.
+
+to get ```gdate``` by running ```brew install coreutils;```