diff --git a/ABOUT.md b/ABOUT.md
index 1a8454a..207bcf4 100644
--- a/ABOUT.md
+++ b/ABOUT.md
@@ -21,4 +21,5 @@ const lpf2 = new LPF2();
 
 Examples are available in the "examples" directory.
 
-### API
\ No newline at end of file
+### API
+
diff --git a/README.md b/README.md
index d52a2e5..11ad800 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,9 @@ const lpf2 = new LPF2();
 
 Examples are available in the "examples" directory.
 
-### API## Classes
+### API
+
+## Classes
 
 <dl>
 <dt><a href="#LPF2">LPF2</a> ⇐ <code>EventEmitter</code></dt>