diff --git a/README.md b/README.md
index 8716f81..34617dc 100644
--- a/README.md
+++ b/README.md
@@ -24,4 +24,7 @@ Have any other questions, please contact our official customer service.
 
 $$
 s_{\Delta B} = \sqrt{\frac{1}{n-1} \sum_{i=1}^{n} (\Delta B_i - \overline{\Delta B})^2}
-$$
\ No newline at end of file
+$$
+
+
+1
\ No newline at end of file