Update README.md

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

Author: FabianaCampanari

README.md

@@ -297,7 +297,7 @@ Ramanujan's deep insights into infinite series and modular forms continue to inf
     - $\large \color{DeepSkyBlue} \ W \$: Work function (the minimum energy required to remove an electron from the material).  <br>
     - $\large \color{DeepSkyBlue} \ K \$: Kinetic energy of the ejected electron.
 
-   Einstein's explanation of the photoelectric effect provided crucial evidence for the quantization of light and earned him the Nobel Prize in Physics in 1921. ([phys.libretexts.org](https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_%28OpenStax%29/University_Physics_III_-_Optics_and_Modern_Physics_%28OpenStax%29/06%3A_Photons_and_Matter_Waves/6.03%3A_Photoelectric_Effect?utm_source=chatgpt.com)) 
+   Einstein's explanation of the photoelectric effect provided crucial evidence for the quantization of light and earned him the Nobel Prize in Physics in 1921. ([phys.libretexts.org](https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_%28OpenStax%29/University_Physics_III_-_Optics_and_Modern_Physics_%28OpenStax%29/06%3A_Photons_and_Matter_Waves/6.03%3A_Photoelectric_Effect?utm_source=chatgpt.com)).