Update README.md

Signed-off-by: Fabiana 🚀  Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -270,9 +270,9 @@ Ramanujan's deep insights into infinite series and modular forms continue to inf
 
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- Where:  
+   [Where]():  
      - $\large \color{DeepSkyBlue} \ E \$: Energy of a photon.
-     - **\( h \)**: Planck's constant (\(6.626 \times 10^{-34} \, \text{J·s}\)).
+     - $\large \color{DeepSkyBlue} \ h \$: Planck's constant (\(6.626 \times 10^{-34} \, \text{J·s}\)).
      - **\( f \)**: Frequency of the radiation.