Apply suggestions from code review

Co-authored-by: Cliff Hansen <cwhanse@sandia.gov>

Author: cbcrespo

docs/sphinx/source/whatsnew/v0.15.3.rst

@@ -12,7 +12,6 @@ Deprecations
 ~~~~~~~~~~~~
 
 
-
 Bug fixes
 ~~~~~~~~~
 

pvlib/irradiance.py

@@ -988,7 +988,7 @@ def reindl(surface_tilt, surface_azimuth, dhi, dni, ghi, dni_extra,
 
 
 @deprecated(
-    since="0.15.3",
+    since="0.16.0",
     removal="0.17.0",
     name="pvlib.irradiance.king",
     alternative="other diffuse transposition models in pvlib.irradiance",