diff --git a/README.md b/README.md
index 2ea77ec..b237af8 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ $\huge \color{DeepSkyBlue} \frac{1}{\pi}$ = $\huge \color{DeepSkyBlue} \frac{2\s
 <br>
 
 [Where]():
-- $\large \color{DeepSkyBlue} \ n \$ : Summation index.
+<!-- - $\large \color{DeepSkyBlue} \ n \$ : Summation index.-->
 - $\large \color{DeepSkyBlue} \ n \$: Summation index.