diff --git a/docs/en/mathematics/linear-algebra/matrices/matrix-algebra.md b/docs/en/mathematics/linear-algebra/matrices/matrix-algebra.md
index 6031296..2a53a83 100644
--- a/docs/en/mathematics/linear-algebra/matrices/matrix-algebra.md
+++ b/docs/en/mathematics/linear-algebra/matrices/matrix-algebra.md
@@ -79,7 +79,7 @@ Or similarly, an $n \times n$ matrix $A$ is singular if $A \mathbf{x} = \mathbf{
 
 ??? note "*Proof*:"
 
-The proof follows from the above theorem.
+    The proof follows from the above theorem.
 
 > *Theorem*: let $A$ and $B$ be matrices and $\alpha$ and $\beta$ be scalars. Each of the following statements valid
 >