#859 Fix an erroneous comment.

Sources/Geometry/Mesh/Mesh.hpp

@@ -500,7 +500,7 @@ namespace MoReFEM
         unsigned int NgeometricElt(unsigned int dimension) const;
 
         //! Get the \a index -th coord on the processor.
-        //! \param[in] index Index of the component (0 for x, 1 for y, 2 for z).
+        //! \param[in] index Position of the index in the processor-wise \a Coords list.
         const Coords& GetCoord(unsigned int index) const;
 
         /*!