Apply suggestions from code review

Co-authored-by: Echedey Luis <80125792+echedey-ls@users.noreply.github.com>

Author: kandersolar

pvlib/pvsystem.py

@@ -2499,7 +2499,10 @@ def singlediode(photocurrent, saturation_current, resistance_series,
     method : str, default 'lambertw'
         Determines the method used to calculate points on the IV curve. The
         options are ``'lambertw'``, ``'newton'``, ``'brentq'``, or
-        ``'chandrupatla'`` (requires scipy 1.15 or greater).
+        ``'chandrupatla'``.
+        
+        .. note::
+           ``'chandrupatla'`` requires scipy 1.15 or greater.
 
     Returns
     -------

pvlib/singlediode.py

@@ -249,7 +249,7 @@ def bishop88_i_from_v(voltage, photocurrent, saturation_current,
         Keyword arguments passed to root finder method. See
         :py:func:`scipy:scipy.optimize.brentq`,
         :py:func:`scipy:scipy.optimize.newton`, and
-        :py:func:`scipy:scipy.optimize.elementwise.find_root` for parameters.
+        :py:func:`scipy:scipy.optimize.elementwise.find_root` (when ``method='chandrupatla'``) for parameters.
         ``'full_output': True`` is allowed, and ``optimizer_output`` would be
         returned. See examples section.
 
@@ -502,7 +502,7 @@ def vd_from_brent(voc, i, iph, isat, rs, rsh, gamma, d2mutau, NsVbi,
         except ModuleNotFoundError as e:
             # TODO remove this when our minimum scipy version is >=1.15
             msg = (
-                "method='chandrupatla' requires scipy v1.15 or greater. "
+                "method='chandrupatla' requires scipy v1.15 or greater (available for Python3.10+). "
                 "Select another method, or update your version of scipy. "
                 f"({str(e)})"
             )