diff --git a/lib/BVProblemLibrary/src/BVProblemLibrary.jl b/lib/BVProblemLibrary/src/BVProblemLibrary.jl
index d80c86e..1cb7ad9 100644
--- a/lib/BVProblemLibrary/src/BVProblemLibrary.jl
+++ b/lib/BVProblemLibrary/src/BVProblemLibrary.jl
@@ -143,7 +143,7 @@ Given by
 \frac{dz_3}{dt}=acc\frac{1}{|V_c|\sqrt{1+z_6^2}}
 ```
 ```math
-\frac{dz_4}{dt}=acc\frac{1}{|V_c|\sqrt{1+z_6^2}}-frac{g}{V_c}
+\frac{dz_4}{dt}=acc\frac{1}{|V_c|\sqrt{1+z_6^2}}-\frac{g}{V_c}
 ```
 ```math
 \frac{dz_5}{dt}=0