Updating the function description.

Author: michaeldenes

parcels/application_kernels/TEOSseawaterdensity.py

@@ -6,7 +6,7 @@
 
 
 def PolyTEOS10_bsq(particle, fieldset, time):  # pragma: no cover
-    """Calculates density based on the polyTEOS10-bsq algorithm from Appendix A.2 of
+    """Calculates density based on the polyTEOS10-bsq algorithm from Appendix A.1 and A.2 of
     https://www.sciencedirect.com/science/article/pii/S1463500315000566
     requires fieldset.abs_salinity and fieldset.cons_temperature Fields in the fieldset
     and a particle.density Variable in the ParticleSet