diff --git a/src/8_differential_equations_2.md b/src/8_differential_equations_2.md
index dbeafe893ed9d0838f0d2c00e43c80db07a423bc..9512dabd3f893c552d139cf2f3ac60a0429506e5 100644
--- a/src/8_differential_equations_2.md
+++ b/src/8_differential_equations_2.md
@@ -60,7 +60,7 @@ y_1 ' = & y_2 \\
 y_2 ' = & y_3 \\
 \vdots & \\
 y_{n-1} ' = & y_{n} \\
-$$y_{n} ' = & - a_{0} y_{1} - a_{1} y_{2} - \cdots - a_{n-1} y_{n}.
+y_{n} ' = & - a_{0} y_{1} - a_{1} y_{2} - \cdots - a_{n-1} y_{n}.
 \end{split}$$
 
 Notice that together these $n$ equations form a linear first order system, the