Code-equations/Gravitational-Potential-including-indirect-terms.md

@@ -8,7 +8,7 @@ The gravitational potential entering in the source terms of the Navier-Stokes eq
 we use  a cubic-potential of the form:
 
 $`\Phi _p = \left\lbrace \begin{array}{ll}
--{m_pG\over d} &  d > r_{\rm sm}} \\
+-{m_pG\over d} &  d > r_{\rm sm} \\
 -{m_pG\over d}f({d\over r_{\rm sm}}) & d\leq r_{\rm sm}   
 \end{array} \right.`$