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+++ b/README.md
@@ -292,7 +292,7 @@ Ramanujan's deep insights into infinite series and modular forms continue to inf
       <br>
 
      [Where]():  
-     - **\( E_{\text{photon}} \)**: Energy of the incident photon.
+     - $\large \color{DeepSkyBlue} \( E_{\text{photon}} \$: Energy of the incident photon.
      - **\( h \)**: Planck's constant (\(6.626 \times 10^{-34} \, \text{J·s}\)).
      - **\( f \)**: Frequency of the incident light.
      - **\( W \)**: Work function (the minimum energy required to remove an electron from the material).