diff --git a/doc/api/fs.md b/doc/api/fs.md
index 1e4be39be9dd96..7944f91dafb1b1 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -529,6 +529,12 @@ The numeric group identifier of the group that owns the file (POSIX).
 
 A numeric device identifier if the file is considered "special".
 
+### stats.size
+
+* Value: {number}
+
+The size of the file in bytes.
+
 ### stats.blksize
 
 * Value: {number}