diff --git a/man4/random.4 b/man4/random.4
index db5d0a2fd..736cbdea9 100644
--- a/man4/random.4
+++ b/man4/random.4
@@ -46,7 +46,6 @@ When read, the
 .I /dev/urandom
 device returns random bytes using a pseudorandom
 number generator seeded from the entropy pool.
-Reads from this device are nonblocking.
 When read during early boot time, this device may return
 data prior to the entropy pool being initialized.
 If this is of concern in your application, use
@@ -88,8 +87,11 @@ When calling
 .BR read (2)
 for the device
 .IR /dev/urandom ,
-signals will not be handled until after the requested random bytes
-have been generated.
+reads of up to 256 bytes will return as many bytes as are requested
+and will not be interrupted by a signal handler.
+Reads with a buffer over this limit may return less than the
+requested number of bytes or fail with the error
+.BR EINTR .
 
 Since Linux 3.16,
 .\" commit 79a8468747c5f95ed3d5ce8376a3e82e0c5857fc