diff --git a/doc/api/net.md b/doc/api/net.md
index abe4661b70b..aabfaa4ead5 100644
--- a/doc/api/net.md
+++ b/doc/api/net.md
@@ -248,7 +248,7 @@ added:
 -->
 
 * `value` {any} Any JS value
-* Returns `true` if the `value` is a `net.BlockList`.
+* Returns {boolean} `true` if the `value` is a `net.BlockList`.
 
 ### `BlockList.PRIVATE_RANGES`