diff --git a/ChangeLog.md b/ChangeLog.md
index e6334b3..e4cc55d 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog
 
+### 2022-03-15
+
+- Add [Comments and Docs](https://practice.rs/comments-docs.html)
+
 ### 2022-03-14
 
 - Add [Package and Crate](https://practice.rs/crate-module/crate.html)
diff --git a/practices/doc-comments/Readme.md b/practices/doc-comments/Readme.md
new file mode 100644
index 0000000..0614e3a
--- /dev/null
+++ b/practices/doc-comments/Readme.md
@@ -0,0 +1,2 @@
+## Doc comments
+A practice project used in [Comments and Docs](https://practice.rs/comments-docs.html) chapter.