diff --git a/docs/reference.md b/docs/reference.md
index 6e99270..81be9b3 100644
--- a/docs/reference.md
+++ b/docs/reference.md
@@ -3048,24 +3048,19 @@
   result = label_matches("//baz:bar", [ "//foo/bar/*", "//baz:*" ])
   # result will be true
 ```
-
 ### <a name="func_len"></a>**len**: Returns the length of a string or a list.&nbsp;[Back to Top](#gn-reference)
 
 ```
   len(item)
-```
-
-#### **Argument**
 
   The argument can be a string or a list.
+```
 
-#### **Examples**
-
+#### **Examples**:
 ```
   len("foo")  # 3
   len([ "a", "b", "c" ])  # 3
 ```
-
 ### <a name="func_not_needed"></a>**not_needed**: Mark variables from scope as not needed.&nbsp;[Back to Top](#gn-reference)
 
 ```