diff --git a/Readme.md b/Readme.md
index 5b21d3a..080bc45 100644
--- a/Readme.md
+++ b/Readme.md
@@ -4,7 +4,9 @@
 
 **This repository aims to provide some functions for creating a user interface for the display 
 Adafruit SSD1306 on microcontroller ESP32.**  
-For such, new classes are implemented, which are included in the *.ino* code included in this repo.
+For such, new classes are implemented, which are included in the *.ino* code included in this repo.  
+
+**In order to run the example codes, it's important to include the DisplayESP32.ino file and the resources folder (where each class in this library is defined) into the project folder**
 
 
 ## To begin with
@@ -205,7 +207,7 @@ In order to store the previous screen, it's necessary to store the values that l
 
 ### Graph class
 
-This class is for the creation of graphs. It allows the ploting of three types of graphs: vertical bar, horizontal bar and cartesian chart.
+This class is for the creation of graphs. It's based on Kris Kasprzak's code for drawing graphs on an OLED display using Arduino [Kasprzak K.][1]. It allows the ploting of three types of graphs: vertical bar, horizontal bar and cartesian chart.
 
 #### Attributes
 
@@ -655,3 +657,4 @@ This class is used to create screens for runtime variable manipulation.
 
 #### Attributes
 
+[1]: <https://github.com/KrisKasprzak/96_Graphing> "Kris Kasprzak, OLED_Graphing.ino"
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