diff --git a/fuseops/ops.go b/fuseops/ops.go
index b361fa2..f8fa739 100644
--- a/fuseops/ops.go
+++ b/fuseops/ops.go
@@ -601,8 +601,7 @@ type ReadFileOp struct {
 	// where EOF is by checking the inode size (http://goo.gl/0BkqKD), returned
 	// by a previous call to LookUpInode, GetInodeAttributes, etc.
 	//
-	// If direct io is enabled, semantics should match those of read (man 2
-	// read).
+	// If direct IO is enabled, semantics should match those of read(2).
 	BytesRead int
 }