diff --git a/doc/api/fs.md b/doc/api/fs.md
index 89a5a21ecc13fd..1a5090d6c8b8ed 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -91,7 +91,7 @@ unlink('/tmp/hello', (err) => {
 
 The callback-based versions of the `fs` module APIs are preferable over
 the use of the promise APIs when maximal performance (both in terms of
-execution time and memory allocation are required).
+execution time and memory allocation) is required.
 
 ## Synchronous example