Two more errata from ch8

docs/errata.html

@@ -159,6 +159,18 @@
     <h2>Page 5</h2>
     <p>Figure 1.1 was incorrectly flipped left-to-right.</p>
 
+    <h2>Page 195</h2>
+    <p>The third code snippet incorrectly referenced "i22" instead of "i13" in the first line. The full listing should be:
+<pre>
+o11 = i11 * w00 + i12 * w01 + i13 * w02 +
+      i21 * w10 + i22 * w11 + i23 * w12 +
+      i31 * w20 + i32 * w21 + i33 * w22
+</pre>
+    </p>
+
+    <h2>Page 205</h2>
+    <p>The reference to a "MaxPool3d" should be "MaxPool2d".</p>
+
     <h2>Page 252</h2>
     <p><i>The final paragraph of section 9.4.4 should read:</i></p>
     <p>