diff --git a/doc/markdown/configuration/metrics.md b/doc/markdown/configuration/metrics.md
index 8cfc5a50f..d55f5de19 100644
--- a/doc/markdown/configuration/metrics.md
+++ b/doc/markdown/configuration/metrics.md
@@ -59,10 +59,11 @@ It is also possible to define some generic attributes for the metric:
 * `grow_factor` - the multiplicator applied for the subsequent symbols inserting by the follwing rule:
 
 $$
-\begin{align*}
-	score = score + grow\_factor * symbol\_weight
+score = score + grow\_factor * symbol\_weight
+$$
+
+$$
 	grow\_factor = grow\_factor * grow\_factor
-\end{align*}
 $$
 
 by default this value is `1.0` meaning that no weight growing is defined. By increasing this value you