Update v0.11.3.rst

Author: RDaxini

docs/sphinx/source/whatsnew/v0.11.3.rst

@@ -16,6 +16,7 @@ Enhancements
   ground irradiance when the sun was below the horizon. (:issue:`2245`, :pull:`2359`)
 * Fix a bug where :py:func:`pvlib.transformer.simple_efficiency` could only be imported
   using the `from pvlib.transformer` syntax (:pull:`2388`)
+* Correct keys for First Solar modules in `~pvlib.spectrum.spectral_factor_pvspec` (:issue:`2398`, :pull:`2400`)
 
 Documentation
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