Merge pull request #437 from Quantum-Software-Development/FabianaCampanari-patch-1

Update README.md

Author: FabianaCampanari

README.md

@@ -271,7 +271,7 @@ Ramanujan's deep insights into infinite series and modular forms continue to inf
 <br>
 
  Where:  
-     - **\( E \)**: Energy of a photon.
+     - $\large \color{DeepSkyBlue} \ E \$: Energy of a photon.
      - **\( h \)**: Planck's constant (\(6.626 \times 10^{-34} \, \text{J·s}\)).
      - **\( f \)**: Frequency of the radiation.