Fix endline in perpendicular-flap

Author: MakisH

perpendicular-flap/README.md

@@ -72,4 +72,4 @@ Reasons for the differences:
 * The CalculiX adapter only supports linear finite elements (deal.II uses 4th order, FEniCS 2nd order).
 * SU2 models a compressible fluid, OpenFOAM and Nutils an incompressible one.  
 
-{% include disclaimer.html content="This offering is not approved or endorsed by OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com, and owner of the OPENFOAM®  and OpenCFD®  trade marks." %}
+{% include disclaimer.html content="This offering is not approved or endorsed by OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com, and owner of the OPENFOAM®  and OpenCFD®  trade marks." %}