Fixed typo

Author: elpres

Chapter2_MorePyMC/MorePyMC.ipynb

@@ -838,7 +838,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "Our posterior distribution puts most weight near the true value of $p_A$, but also some weights in the tails. This is a measure of how uncertain we should be, given our observations. Try changing the number of obsernations, `N`, and observe how the posterior distribution changes.\n",
+      "Our posterior distribution puts most weight near the true value of $p_A$, but also some weights in the tails. This is a measure of how uncertain we should be, given our observations. Try changing the number of observations, `N`, and observe how the posterior distribution changes.\n",
       "\n",
       "### *A* and *B* Together\n",
       "\n",
@@ -2497,4 +2497,4 @@
    "metadata": {}
   }
  ]
-}
+}