README.md in load_tracer-0.2.0 vs README.md in load_tracer-0.3.0

@@ -4,10 +4,16 @@
 
 require `RUBY_VERSION` >= 2.7.0
 
 ## Installation
 
+```
+gem install load_tracer
+```
+
+### build local
+
 clone this repository.
 
 ```
 git clone https://github.com/siman-man/load_tracer.git
 ```
@@ -19,11 +25,11 @@
 ```
 
 install gem.
 
 ```
-gem install pkg/load_tracer-0.1.0.gem
+gem install pkg/load_tracer-0.3.0.gem
 ```
 
 
 
 ## Usage
@@ -47,9 +53,11 @@
 ```
 
 ```
 ruby example.rb | dot -Tpng -o example.png | open example.png
 ```
+
+![](images/example.png)
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).