diff --git a/book/chapter-01-run-and-talk.md b/book/chapter-01-run-and-talk.md
index 01daa509..c62bedc1 100644
--- a/book/chapter-01-run-and-talk.md
+++ b/book/chapter-01-run-and-talk.md
@@ -38,7 +38,7 @@ GeneralBots aims to delivery bots in azure in a very easy and fast fashion. Use
 3. Type `npm install -g botserver` and press *ENTER*;
 4. Type `gbot` to run the server core.
 
-###Instalation by PowerShell or Command Prompt
+##Instalation by PowerShell or Command Prompt
 
 ![print instalation npm](https://user-images.githubusercontent.com/65977273/94572520-81e2f380-0247-11eb-9d69-ff70ad26b027.png)