diff --git a/canvas/src/components/KeyboardShortcutsDialog.tsx b/canvas/src/components/KeyboardShortcutsDialog.tsx
index ec94d9dc..f0500d26 100644
--- a/canvas/src/components/KeyboardShortcutsDialog.tsx
+++ b/canvas/src/components/KeyboardShortcutsDialog.tsx
@@ -18,7 +18,11 @@ const SHORTCUT_GROUPS: ShortcutGroup[] = [
       },
       {
         keys: ["↑↓←→"],
-        description: "Nudge selected node 20px; hold Shift for 100px",
+        description: "Nudge selected node 10px; hold Shift for 50px",
+      },
+      {
+        keys: ["Cmd", "↑↓←→"],
+        description: "Resize selected node (↑↓ height, ←→ width); hold Shift for fine control (2px)",
       },
       {
         keys: ["Enter"],
diff --git a/canvas/src/components/canvas/__tests__/useKeyboardShortcuts.test.tsx b/canvas/src/components/canvas/__tests__/useKeyboardShortcuts.test.tsx
index af3f9f1f..9606180f 100644
--- a/canvas/src/components/canvas/__tests__/useKeyboardShortcuts.test.tsx
+++ b/canvas/src/components/canvas/__tests__/useKeyboardShortcuts.test.tsx
@@ -330,12 +330,14 @@ describe("Cmd/Ctrl+Arrow — keyboard node resize", () => {
   });
 
   it("resizes height down (smaller) on Cmd/Ctrl+ArrowUp", () => {
+    // Node starts at minHeight=110 (no children). Shrinking clamps to min —
+    // height stays 110. Width is unchanged.
     fireEvent.keyDown(window, { key: "ArrowUp", metaKey: true });
     expect(mockStoreState.onNodesChange).toHaveBeenCalledWith([
       expect.objectContaining({
         type: "dimensions",
         id: "n1",
-        dimensions: { width: 210, height: 100 },
+        dimensions: { width: 210, height: 110 },
       }),
     ]);
   });
@@ -352,12 +354,14 @@ describe("Cmd/Ctrl+Arrow — keyboard node resize", () => {
   });
 
   it("resizes width down (smaller) on Cmd/Ctrl+ArrowLeft", () => {
+    // Node starts at minWidth=210 (no children). Shrinking clamps to min —
+    // width stays 210. Height is unchanged.
     fireEvent.keyDown(window, { key: "ArrowLeft", metaKey: true });
     expect(mockStoreState.onNodesChange).toHaveBeenCalledWith([
       expect.objectContaining({
         type: "dimensions",
         id: "n1",
-        dimensions: { width: 200, height: 110 },
+        dimensions: { width: 210, height: 110 },
       }),
     ]);
   });
@@ -374,10 +378,12 @@ describe("Cmd/Ctrl+Arrow — keyboard node resize", () => {
   });
 
   it("uses 2px step with Shift held", () => {
+    // Step is 2px with Shift, but minHeight=110 clamps the result.
+    // 110 - 2 = 108, Math.max(110, 108) = 110. Width is unchanged.
     fireEvent.keyDown(window, { key: "ArrowUp", metaKey: true, shiftKey: true });
     expect(mockStoreState.onNodesChange).toHaveBeenCalledWith([
       expect.objectContaining({
-        dimensions: { width: 210, height: 108 },
+        dimensions: { width: 210, height: 110 },
       }),
     ]);
   });