From 9ce63603a6f91877fac6258df0641b6d41311570 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Thu, 19 Feb 2026 16:48:55 -0600
Subject: [PATCH] Fix pow10_int comment accuracy

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 esphome/core/helpers.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/core/helpers.h b/esphome/core/helpers.h
index 0185437cc4..b606e68df3 100644
--- a/esphome/core/helpers.h
+++ b/esphome/core/helpers.h
@@ -441,7 +441,7 @@ template<size_t STACK_SIZE, typename T = uint8_t> class SmallBufferWithHeapFallb
 
 /// Compute 10^exp using iterative multiplication/division.
 /// Avoids pulling in powf/__ieee754_powf (~2.3KB flash) for small integer exponents.
-/// Exact for non-negative exponents up to 10 (powers of 10 up to 10^10 are exact in float).
+/// Matches powf(10, exp) for the int8_t exponent range used by sensor accuracy_decimals.
 inline float pow10_int(int8_t exp) {
   float result = 1.0f;
   if (exp >= 0) {