message: Fixed addBond() description
diff: @@ -383,7 +383,7 @@ public:
  /**
  * Create a new bond in the molecule.
  * @param atom1 The first atom in the bond.
  - * @param atom2 The second order in the bond.
  + * @param atom2 The second atom in the bond.
  * @param order The bond order.
  * @return The new bond object. Will be invalid if @a atom1 or @a atom2 does
  * not exist.
  