diff --git a/README.md b/README.md
index d72c82a31..95744c7f5 100644
--- a/README.md
+++ b/README.md
@@ -13,4 +13,20 @@ The **Pull requests** tab contains proposals to make some changes in the files l
 
 You can create an *Issue* or make a *Pull request (PR)* to contribute to the project.
 
+If you want to propose some changes to this repo, you may *fork* it, modify the content, and create *PR*. A *fork* is just a copy that allows you to change the content without affection the original project.# intro-to-github
+This is a demo repository to practice using GitHub.
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+It has two files in the **Code** tab:
+- **README.md** is a file that describes this repo (you are currently reading it)
+- **.gitignore** is a file that specifies which files and directories must be ignored by Git
+
+You cannot directly modify files in this repo because you are not a *collaborator*.
+
+The **Issues** tab is used to discuss ideas, enhancements, bugs, questions, and so on. They are grouped by *Open* and *Closed*.
+
+The **Pull requests** tab contains proposals to make some changes in the files located in the repository. Repo's owners may review a request and put your changes if they look good.
+
+You can create an *Issue* or make a *Pull request (PR)* to contribute to the project.
+
 If you want to propose some changes to this repo, you may *fork* it, modify the content, and create *PR*. A *fork* is just a copy that allows you to change the content without affection the original project.