message: Fixed minor typo "poins" in documentation page
diff: @@ -91,7 +91,7 @@ respectively) by the same factor.
  The joint rotation-translation matrix \f$[R|t]\f$ is the matrix product of a projective
  transformation and a homogeneous transformation. The 3-by-4 projective transformation maps 3D points
  -represented in camera coordinates to 2D poins in the image plane and represented in normalized
  +represented in camera coordinates to 2D points in the image plane and represented in normalized
  camera coordinates \f$x' = X_c / Z_c\f$ and \f$y' = Y_c / Z_c\f$:
  \f[Z_c \begin{bmatrix}
  