diff --git a/doc/instructions.html b/doc/instructions.html
index d58c3cb..d507502 100644
--- a/doc/instructions.html
+++ b/doc/instructions.html
@@ -278,7 +278,7 @@ <h3 id="part1-3" class="3">Part 1.3: pooling</h3>
 
 
 <pre class="prettyprint"><code class="language-matlab hljs ">y = vl_nnpool(x, <span class="hljs-number">15</span>) ;
-figure(<span class="hljs-number">6</span>) ; clf ; imagesc(y) ;</code></pre>
+figure(<span class="hljs-number">7</span>) ; clf ; imagesc(y) ;</code></pre>
 
 <blockquote>
   <p><strong>Question:</strong> look at the resulting image. Can you interpret the result?</p>
@@ -309,7 +309,7 @@ <h3 id="part1-4" class="4">Part 1.4: normalisation</h3>
 alpha = <span class="hljs-number">1</span> ;
 <span class="hljs-built_in">beta</span> = <span class="hljs-number">0.5</span> ;
 y_nrm = vl_nnnormalize(x, <span class="hljs-matrix">[rho kappa alpha beta]</span>) ;
-figure(<span class="hljs-number">6</span>) ; clf ; imagesc(y_nrm) ;</code></pre>
+figure(<span class="hljs-number">7</span>) ; clf ; imagesc(y_nrm) ;</code></pre>
 
 <blockquote>
   <p><strong>Tasks:</strong> </p>
@@ -1081,4 +1081,4 @@ <h2 id="history">History</h2>
 </ul>
 
 <div class="footnotes"><hr><ol><li id="fn:lattice">A two-dimensional <em>lattice</em> is a discrete grid embedded in <script type="math/tex" id="MathJax-Element-167">R^2</script>, similar for example to a checkerboard. <a href="#fnref:lattice" title="Return to article" class="reversefootnote">↩</a></li></ol></div></div></body>
-</html>
\ No newline at end of file
+</html>