Update README.md

README.md

@@ -157,7 +157,7 @@ Zama's blog posts sorted by date.
 
 Talks and posters by the Zama team sorted by date.
 
-- [Privacy Preserving Machine Learning With Fully Homomorphic Encryption](https://www.youtube.com/watch?v=nL2TUznAMcw&t=909s) - April 2023 -- Stanford Security Seminar
+- [Privacy Preserving Machine Learning With Fully Homomorphic Encryption](https://www.youtube.com/watch?v=nL2TUznAMcw&t=909s) - April 2023 — Stanford Security Seminar
 - [Recent advances in homomorphic compilation](https://github.com/FHE-org/fhe-org.github.io/blob/main/conferences/conference-2023/media/homomorphic-compilation.pdf) - ‍‍March 2023 — FHE.org 2023
 - [Private smart contracts using homomorphic encryption](https://github.com/FHE-org/fhe-org.github.io/blob/main/conferences/conference-2023/media/private-smart-contracts.pdf) - ‍March 2023 — FHE.org 2023
 - [Fully homomorphic encryption for user privacy and model intellectual property protection](https://github.com/FHE-org/fhe-org.github.io/blob/main/conferences/conference-2023/media/user-privacy-model-protection.pdf) - ‍March 2023 — FHE.org 2023
@@ -168,7 +168,7 @@ Talks and posters by the Zama team sorted by date.
 </summary>
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-- [Privacy Preserving Machine Learning With Fully Homomorphic Encryption](https://www.youtube.com/watch?v=nL2TUznAMcw&t=909s) - April 2023 -- Stanford Security Seminar
+- [Privacy Preserving Machine Learning With Fully Homomorphic Encryption](https://www.youtube.com/watch?v=nL2TUznAMcw&t=909s) - April 2023 — Stanford Security Seminar
 - [Recent advances in homomorphic compilation](https://github.com/FHE-org/fhe-org.github.io/blob/main/conferences/conference-2023/media/homomorphic-compilation.pdf) - ‍‍March 2023 — FHE.org 2023
 - [On NTRU -ν-um modulo Xᴺ-1](https://eprint.iacr.org/2022/1092) - ‍March 2023 — FHE.org 2023
 - [Private smart contracts using homomorphic encryption](https://github.com/FHE-org/fhe-org.github.io/blob/main/conferences/conference-2023/media/private-smart-contracts.pdf) - ‍March 2023 — FHE.org 2023