diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
index e9b763d22..58ff4e659 100644
--- a/man2/ioctl_userfaultfd.2
+++ b/man2/ioctl_userfaultfd.2
@@ -173,7 +173,7 @@ structure, defined as:
 
 struct uffdio_range {
     __u64 start;    /* Start of range */
-    __u64 len;      /* Length of rnage (bytes) */
+    __u64 len;      /* Length of range (bytes) */
 };
 
 struct uffdio_register {