diff --git a/README.md b/README.md
index b68e73c..ec7cfb8 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,11 @@ Carl Friedrich Gauss was pivotal in developing the mathematical framework used i
      - **\( \sigma \)**: Standard deviation.  
      - **\( x \)**: Random variable.  
 
-     This formula is widely used to model measurement uncertainties in quantum mechanics.
+     This formula is widely used to [model measurement uncertainties]() in quantum mechanics.
+
+#
+
+