diff --git a/plugins/prusa/README.md b/plugins/prusa/README.md
index a6f156e..45119c7 100644
--- a/plugins/prusa/README.md
+++ b/plugins/prusa/README.md
@@ -11,7 +11,7 @@ flat directory with a single menu entry:
   runs from a low tip on the plate up to the top of a straight back edge, **0.2 mm under the
   part**, on a thin foot with a round back end. A **comb of tines** runs along the slope: one-layer
   horizontal nubs, one bead (0.5 mm) wide, each top on the print preset's layer grid, that
-  reach across the gap and **0.5 mm into the part** at mid-layer (`PROP.tineBite`), so each prints as one
+  reach across the gap and **0.5 mm into the part** at mid-layer (the site's old `PROP.tineBite`; the site's tines now stop at the surface), so each prints as one
   strand that fuses in and snaps clean (`docs/FIN-SPEC.md`). The top of the slope ends in a
   short flat (1.2 mm, a little more when steep), never a point. Params: **Slope Angle** (20–70°, default 45), **Fin Height**,
   a **Gripping Tines** toggle, and **Tine Spacing** (default 6 mm, the sway braces' printed
diff --git a/plugins/prusa/com.printfins.support-fins/add_fin.lua b/plugins/prusa/com.printfins.support-fins/add_fin.lua
index 781d73f..09360e2 100644
--- a/plugins/prusa/com.printfins.support-fins/add_fin.lua
+++ b/plugins/prusa/com.printfins.support-fins/add_fin.lua
@@ -53,7 +53,7 @@ local BASE_H       = 0.6    -- foot thickness, snapped to whole layers (PROP.bas
 local BASE_W       = 9.0    -- foot width across the fin [mm]
 local BASE_PAD     = 3.0    -- foot runs this far past the back edge [mm]
 local GAP          = 0.2    -- slope to part clearance, square to the slope (PROP.gap) [mm]
-local BITE         = 0.5    -- how far a tine reaches horizontally into the part (PROP.tineBite) [mm]
+local BITE         = 0.5    -- how far a tine reaches horizontally into the part (the site's old PROP.tineBite; its tines now stop at the surface, local issue 028) [mm]
 local TINE_GRIP    = 0.4    -- how far a tine sinks back into the fin [mm]
 local TINE_W       = 0.5    -- tine width: one nozzle bead (PROP.tineW) [mm]
 local MIN_STEP     = 1.0    -- Tine Spacing never tighter than this [mm]
diff --git a/tests/tines_realparts.test.js b/tests/tines_realparts.test.js
index 6f4abd9..fd4c4b1 100644
--- a/tests/tines_realparts.test.js
+++ b/tests/tines_realparts.test.js
@@ -16,7 +16,7 @@
 
 import { loadModel, analyze, fins, prop, insidePart, nearestFaceInwardH, rotX, rotY, assert } from './_util.js';
 
-const TINE_BITE = prop.PROP.tineReach;   // how far the nub reaches in -- read from source, don't drift
+const TINE_REACH = prop.PROP.tineReach;   // how far a tine looks for the part -- read from source, don't drift
 
 const CASES = [
   ['plate', rotX(45)], ['plate', rotY(40)], ['plate', rotY(-40)],
@@ -36,7 +36,7 @@ Deno.test('tines on real parts: every tine bites INTO the nearest face, none lie
     const caps = globalThis.__TINECAP;
     for (const c of caps) {
       total++;
-      const bx = c.x + c.biteX * TINE_BITE, by = c.y + c.biteY * TINE_BITE;
+      const bx = c.x + c.biteX * TINE_REACH, by = c.y + c.biteY * TINE_REACH;
       if (!insidePart(topo, rot, res.offset, bx, by, c.z)) { noGrip++; airCases.add(name); }
       const inw = nearestFaceInwardH(topo, rot, res.offset, [c.x, c.y, c.z]);
       if (inw) {
diff --git a/web/prop/config.js b/web/prop/config.js
index f81daba..7b0ef3d 100644
--- a/web/prop/config.js
+++ b/web/prop/config.js
@@ -189,14 +189,14 @@ export const PROP = {
   // built the tine `th` (1.0mm) wide, ~2x spec, a fat divot Matthew caught by eye.
   tineW: 0.5,
   // (A 'point' tip and a tineWidth knob were tried on the tine coupon, 2026-10-03:
-  // no visible difference -- a 0.3-0.5 wide tine or a point all print as about one
-  // bead -- so both knobs are gone. prototype/calibration/README.md tine/ v1.)
+  // no visible difference -- a 0.3-0.5 wide tine or a point likely all print as about
+  // one bead -- so both knobs are gone. prototype/calibration/README.md tine/ v1.)
   // Tines per wall, EXACT, overriding spacing and the minGripTines floor: the comb is
   // spaced wall-length / n. 0 = off (the default; spacing rules decide). Calibration
   // knob (tunables.tinesPerWall), the tine coupon's how-few-still-hold row.
   tinesPerWall: 0,
   tineReach: 0.5,    // how far out a tine looks for the part, horizontally: a tine is
-                     // placed only if solid lies within this reach (the slope gate is
+                     // placed only if solid lies at this reach (the slope gate is
                      // gap/reach), and kissEnds searches up to 2x it for the surface the
                      // tine's end stops on (#168: no tine runs into the part). Was
                      // `tineBite`, when tines ran this far INTO the part. Shrinking it
diff --git a/web/prop/tines.js b/web/prop/tines.js
index 280fe0e..4bf11d2 100644
--- a/web/prop/tines.js
+++ b/web/prop/tines.js
@@ -144,14 +144,14 @@ export function tineStepFor(density) {
  * through those four corners, so on a sloped or curved underside the end leans with
  * the surface and no part of the tine sits inside the part.
  *
- * A tine used to run the full reach (0.5, then `tineBite`) on into the part. A slicer unions that
+ * A tine used to run full `tineReach` (then called `tineBite`) on into the part. A slicer unions that
  * buried stretch away (the site's 3MF and STL put part and supports in one object),
  * so the print is the same; the tine just stops poking through, and is ready for an
  * export that keeps the two apart (local issue 027). Placement is unchanged: the
  * tine still has to reach solid within `tineReach`.
  *
- * Per corner: no solid within reach on that line and height -> the full bite (the
- * old shape); solid already back over the wall end -> TRIM_MIN past it.
+ * Per corner: no solid within reach on that line and height -> the full tineReach
+ * (the old shape); solid already back over the wall end -> TRIM_MIN past it.
  * Returns { bot: [left, right], top: [...] }.
  */
 const TRIM_KISS = 0.01, TRIM_MIN = 0.05, TRIM_Z = 0.01;