diff --git a/uni/mmme/1048_thermodynamics_and_fluid_mechanics/fluid_dynamics.md b/uni/mmme/1048_thermodynamics_and_fluid_mechanics/fluid_dynamics.md
index 45e9e58..259fe4c 100755
--- a/uni/mmme/1048_thermodynamics_and_fluid_mechanics/fluid_dynamics.md
+++ b/uni/mmme/1048_thermodynamics_and_fluid_mechanics/fluid_dynamics.md
@@ -338,7 +338,7 @@ It is split into 3 parts:
 
 Divide the energy form by $g$:
 
-$$\frac\rho{\rho g} + z + \frac{v^2}{2g} = H_T$$
+$$\frac p {\rho g} + z + \frac{v^2}{2g} = H_T$$
 
 where $H_T$ is constant and: