diff --git a/book/superclasses.md b/book/superclasses.md
index 1eb17955b..84e9d97ad 100644
--- a/book/superclasses.md
+++ b/book/superclasses.md
@@ -464,7 +464,7 @@ information it needs to perform the super access:
 2.  The second instruction loads **the superclass where the method is
     resolved**.
 
-3.  Then the new `OP_GET_SUPER` instuction encodes **the name of the method to
+3.  Then the new `OP_GET_SUPER` instruction encodes **the name of the method to
     access** as an operand.
 
 The remaining instructions are the normal bytecode for evaluating an argument
diff --git a/site/superclasses.html b/site/superclasses.html
index 02a631ce7..6c5b53b15 100644
--- a/site/superclasses.html
+++ b/site/superclasses.html
@@ -585,7 +585,7 @@ <h2><a href="#super-calls" id="super-calls"><small>29&#8202;.&#8202;3</small>Sup
 resolved</strong>.</p>
 </li>
 <li>
-<p>Then the new <code>OP_GET_SUPER</code> instuction encodes <strong>the name of the method to
+<p>Then the new <code>OP_GET_SUPER</code> instruction encodes <strong>the name of the method to
 access</strong> as an operand.</p>
 </li>
 </ol>