diff --git a/ipynb/xkcd-Name-Dominoes.ipynb b/ipynb/xkcd-Name-Dominoes.ipynb
index e344460..fe7aa2e 100644
--- a/ipynb/xkcd-Name-Dominoes.ipynb
+++ b/ipynb/xkcd-Name-Dominoes.ipynb
@@ -8,7 +8,7 @@
     "\n",
     "# `xkcd` Name Dominoes\n",
     "\n",
-    "The March 21, 2018 `xkcd` comic (#1970) was [Name Dominoes](https://xkcd.com/1970/): domino tiles laid out as if in a game, but the tiles contain names of famous poeple rather than numbers. \n",
+    "The March 21, 2018 `xkcd` comic (#1970) was [Name Dominoes](https://xkcd.com/1970/): domino tiles laid out as if in a game, but the tiles contain names of famous people rather than numbers. \n",
     "In [dominoes](https://en.wikipedia.org/wiki/Dominoes) each tile has two halves, and a tile can be legally placed only if  one half is adjacent to another tile half with the same number/name, and neither half is adjacent to a tile half with a different number/name. (Exception: the very first tile can be placed anywhere.) \n",
     "\n",
     "I will write a function to lay out tiles in a random, legal array.  First, the key data structures:\n",