diff --git a/errata.html b/errata.html
index c902706..713dd36 100644
--- a/errata.html
+++ b/errata.html
@@ -136,7 +136,7 @@ pre {
   </p>
 
   <p>
-    <b>p.84, ¶2</b>: for "used as function parameters",
+    <b>p.84, ¶2</b>: For "used as function parameters",
     read "used as function parameters or results".
     (Thanks to Yang Yang 杨玚, 2016-04-18.)
   </p>
@@ -161,6 +161,11 @@ pre {
     (Thanks to Toni Suter, 2015-11-21.  Corrected in the third printing.)
   </p>
 
+  <p>
+    <b>p.139, ¶4</b>: For "in Chapter 3", read "in Chapter 4".
+    (Thanks to Yoshiki Shibata, 2016-07-03.)
+  </p>
+
   <p>
     <b>p.160, ¶4</b>: For <code>Get("item"))</code>,
     read <code>Get("item")</code>.