diff --git a/README.md b/README.md
index e879a78..f067fd5 100644
--- a/README.md
+++ b/README.md
@@ -2547,7 +2547,7 @@ with PyCallGraph(drawer):
 
 NumPy
 -----
-**Array manipulation mini-language. Can run up to one hundred times faster than the equivalent Python code.**
+**Array manipulation mini-language. It can run up to one hundred times faster than the equivalent Python code.**
 
 ```python
 # $ pip3 install numpy
diff --git a/index.html b/index.html
index 7856186..890c061 100644
--- a/index.html
+++ b/index.html
@@ -2183,7 +2183,7 @@ drawer = output.GraphvizOutput(output_file=filename)
 </code></pre></div></div>
 
 
-<div><h2 id="numpy"><a href="#numpy" name="numpy">#</a>NumPy</h2><p><strong>Array manipulation mini-language. Can run up to one hundred times faster than the equivalent Python code.</strong></p><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install numpy</span>
+<div><h2 id="numpy"><a href="#numpy" name="numpy">#</a>NumPy</h2><p><strong>Array manipulation mini-language. It can run up to one hundred times faster than the equivalent Python code.</strong></p><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install numpy</span>
 <span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np
 </code></pre></div>