diff --git a/algorithms/README.md b/algorithms/README.md
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+# Algorithms
+
+The algorithms contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/algorithms/algorithms-introduction).
diff --git a/preparing/README.md b/preparing/README.md
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+# Preparing
+
+The cheatsheet contents have been moved to the [website](https://yangshun.github.io/tech-interview-handbook/coding-round-overview).