docs(output): don't claim the docs define Limit as the end-of-window SoC

docs/predbat-plan-card.md describes the end of the slot, not of the window.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: chalfontchubby

apps/predbat/output.py

@@ -1424,10 +1424,11 @@ def import_rate_color(rate):
                     target = self.charge_window_best[charge_window_n]["target"]
 
                 # Classify Chrg vs HoldChrg against the real instruction (charge_limit_best), but have a Chrg row
-                # display the window's predicted end-of-window SoC ("target", from plan.py), which is what the
-                # Limit column documents. Classifying against the prediction showed a full-rate charge that can't
-                # finish within the window as HoldChrg whenever the row's SoC sat above that prediction (issue #4445).
-                # A HoldChrg row shows the limit it is held at, which the prediction need not match.
+                # keep displaying the window's predicted SoC ("target", from plan.py) as before, rather than an
+                # instruction the window may never reach. Classifying against the prediction showed a full-rate
+                # charge that can't finish within the window as HoldChrg whenever the row's SoC sat above that
+                # prediction (issue #4445). A HoldChrg row shows the limit it is held at, which the prediction
+                # need not match.
                 instruction_percent = calc_percent_limit(limit, self.soc_max)
                 limit_percent = calc_percent_limit(target, self.soc_max)
                 if limit > 0.0: