diff --git a/include/private/SkTPin.h b/include/private/SkTPin.h
index 825a66b..c824c44 100644
--- a/include/private/SkTPin.h
+++ b/include/private/SkTPin.h
@@ -13,12 +13,11 @@
 /** @return x pinned (clamped) between lo and hi, inclusively.
 
     Unlike std::clamp(), SkTPin() always returns a value between lo and hi.
-    If x is NaN, SkTPin() returns hi but std::clamp() returns NaN.
+    If x is NaN, SkTPin() returns lo but std::clamp() returns NaN.
 */
 template <typename T>
 static constexpr const T& SkTPin(const T& x, const T& lo, const T& hi) {
-    // TODO: return std::max(lo, std::min(x, hi)) ?   (clamps NaN to lo)
-    return std::max(std::min(hi, x), lo);
+    return std::max(lo, std::min(x, hi));
 }
 
 #endif