diff --git a/src/entities/Font/domain/windowSizeForLine/windowSizeForLine.ts b/src/entities/Font/domain/windowSizeForLine/windowSizeForLine.ts
index daa9f6d..d790360 100644
--- a/src/entities/Font/domain/windowSizeForLine/windowSizeForLine.ts
+++ b/src/entities/Font/domain/windowSizeForLine/windowSizeForLine.ts
@@ -15,6 +15,11 @@
 const WINDOW_RATIO = 1 / 3;
 /**
  * Smallest band for a non-empty line — guarantees at least one crossfading char.
+ *
+ * Accepted tradeoff: short lines now get a band of 1–2, so a fast slider drag
+ * can unmount a char before its ~100ms opacity crossfade finishes, a slight pop.
+ * Worth it for the "bulk committed, small band shimmering" look on short lines;
+ * raising this trades that pop back for less committed bulk.
  */
 const WINDOW_MIN = 1;
 /**