diff --git a/README.md b/README.md
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--- a/README.md
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@@ -170,9 +170,9 @@ A document containing scientific and technical details about algorithms implemen
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 ### Tutorials
-- [[Video tutorial] Implement signed integers using TFHE-rs ](https://www.zama.ai/post/video-tutorial-implement-signed-integers-ssing-tfhe-rs)
-- [Homomorphic parity bit](https://docs.zama.ai/tfhe-rs/tutorials/parity_bit)
-- [Homomorphic case changing on Ascii string](https://docs.zama.ai/tfhe-rs/tutorials/ascii_fhe_string)
+- [[Video tutorial] Implement signed integers using TFHE-rs ](https://www.zama.ai/post/video-tutorial-implement-signed-integers-sing-tfhe-rs)
+- [Homomorphic parity bit](https://docs.zama.ai/tfhe-rs/tutorials/parity-bit)
+- [Homomorphic case changing on Ascii string](https://docs.zama.ai/tfhe-rs/tutorials/ascii-fhe-string)
 - [Boolean SHA256 with TFHE-rs](https://www.zama.ai/post/boolean-sha256-tfhe-rs)
 - [Dark market with TFHE-rs](https://www.zama.ai/post/dark-market-tfhe-rs)
 - [Regular expression engine with TFHE-rs](https://www.zama.ai/post/regex-engine-tfhe-rs)