fix typos in #2229 (#2236)

Author: cwhanse

docs/sphinx/source/whatsnew/v0.11.2.rst

@@ -15,7 +15,7 @@ Enhancements
 Documentation
 ~~~~~~~~~~~~~
 * Edited docstrings for :py:func:`~pvlib.pvsystem.dc_ohms_from_percent` and
-  :py:func:`~pvlib.pvsystem.dc_ohmic_loss` for clarity. (:issue:`1601`, :pull:`2229`)
+  :py:func:`~pvlib.pvsystem.dc_ohmic_losses` for clarity. (:issue:`1601`, :pull:`2229`)
 
 
 Testing

pvlib/pvsystem.py

@@ -2952,7 +2952,7 @@ def dc_ohmic_losses(resistance, current):
 
     .. math::
 
-        L = I \times R^2
+        L = I^2 \times R
 
     where :math:`I` is the current (A) and :math:`R` is the resistance of the
     conductor (ohms).