Update README.md

Signed-off-by: Fabiana 🚀  Campanari <[email protected]>

Author: FabianaCampanari

README.md

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-# <p align="center"> 🧠 **Quantum Computing Timeline with Key Contributions and Formulas**
+# <p align="center"> 🇶 **Quantum Computing Timeline with Key Contributions and Formulas**
 
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