diff --git a/web/src/reader/reader.ts b/web/src/reader/reader.ts
index 1fde708e..556d0054 100644
--- a/web/src/reader/reader.ts
+++ b/web/src/reader/reader.ts
@@ -1776,7 +1776,10 @@ document.addEventListener("alpine:init", () => {
           });
           dot.addEventListener("pointermove", (e) => {
             if (!dot!.dataset.dragging) return;
-            this.pdfAdjustHandleMove(which, e.clientX, e.clientY);
+            // Aim at the TIP (finger + ~15px, the body-center-to-tip
+            // offset): the body floats above the text, the tip shows
+            // where the boundary actually is.
+            this.pdfAdjustHandleMove(which, e.clientX, e.clientY + 15);
           });
           dot.addEventListener("pointerup", (e) => {
             if (!dot!.dataset.dragging) return;