diff --git a/algorithms/README.md b/algorithms/README.md
index 8d72a2ae..758ea24f 100644
--- a/algorithms/README.md
+++ b/algorithms/README.md
@@ -1,3 +1,5 @@
 # Algorithms
 
-The algorithms contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/algorithms/algorithms-introduction).
+The contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/algorithms/algorithms-introduction).
+
+<!-- TODO: Remove in future -->
diff --git a/preparing/README.md b/preparing/README.md
index 9ce75e33..0e00ec22 100644
--- a/preparing/README.md
+++ b/preparing/README.md
@@ -1,3 +1,5 @@
 # Preparing
 
-The cheatsheet contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/coding-round-overview).
+The contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/coding-round-overview).
+
+<!-- TODO: Remove in future -->
diff --git a/preparing/cheatsheet.md b/preparing/cheatsheet.md
index 13247b08..a9d0d5e3 100644
--- a/preparing/cheatsheet.md
+++ b/preparing/cheatsheet.md
@@ -1,3 +1,5 @@
 # Cheatsheet
 
-The cheatsheet contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/cheatsheet).
+The contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/cheatsheet).
+
+<!-- TODO: Remove in future -->