Update engram_layout_v2.0.ipynb

engram_layout_v2.0.ipynb

@@ -9,12 +9,12 @@
    "source": [
     "## Arno's Engram keyboard layout\n",
     "\n",
-    "Engram is a key layout optimized for comfortable and efficient touch typing in English \n",
+    "Engram v2.0 ("Engram") is a key layout optimized for comfortable and efficient touch typing in English \n",
     "created by [Arno Klein](https://binarybottle.com), \n",
     "with [open source code](https://github.com/binarybottle/engram) to create other optimized key layouts.\n",
-    "You can install the Engram layout on [Windows, macOS, and Linux](https://keyman.com/keyboards/engram)\n",
+    "You can install the Engram v2.0 layout on [Windows, macOS, and Linux](https://keyman.com/keyboards/engram)\n",
     "or [try it out online](https://keymanweb.com/#en,Keyboard_engram).\n",
-    "An article is under review (see the [preprint](https://www.preprints.org/manuscript/202103.0287/v1) for an earlier (and superceded) version with description).\n",
+    "An article is under review (see the [preprint](https://www.preprints.org/manuscript/202103.0287/v1) for an earlier (and superceded) version (v1.3) with description).\n",
     "\n",
     "Letters are optimally arranged according to ergonomics factors that promote reduction of lateral finger movements and more efficient typing of high-frequency letter pairs. The most common punctuation marks are logically grouped together in the middle columns and numbers are paired with mathematical and logic symbols (shown as pairs of default and Shift-key-accessed characters):\n",
     "\n",