diff --git a/man2/close_range.2 b/man2/close_range.2
index b6b6c2a9e..ff4b81aaa 100644
--- a/man2/close_range.2
+++ b/man2/close_range.2
@@ -79,11 +79,16 @@ The following can occur with
 (when constructing the new descriptor table):
 .TP
 .B EMFILE
-The per-process limit on the number of open file descriptors has been reached
-(see the description of
-.B RLIMIT_NOFILE
-in
-.BR getrlimit (2)).
+The number of open file descriptors exceeds the limit specified in
+.IR /proc/sys/fs/nr_open
+(see
+.BR proc (5)).
+This error can occur in situations where that limit was lowered before
+a call to
+.BR close_range ()
+where the
+.B CLOSE_RANGE_UNSHARE
+flag is specified.
 .TP
 .B ENOMEM
 Insufficient kernel memory was available.