diff --git a/man2/getgroups.2 b/man2/getgroups.2
index 7216f5962..974265d4f 100644
--- a/man2/getgroups.2
+++ b/man2/getgroups.2
@@ -85,9 +85,9 @@ to be used in a further call to
 .PP
 .BR setgroups ()
 sets the supplementary group IDs for the calling process.
-Appropriate privileges (Linux: the
-.B CAP_SETGID
-capability) are required.
+Appropriate privileges are required (see the description of the
+.BR EPERM
+error, below).
 The
 .I size
 argument specifies the number of supplementary group IDs
@@ -134,9 +134,9 @@ Out of memory.
 .TP
 .B EPERM
 The calling process has insufficient privilege
-(it does not have the
+(the caller does not have the
 .BR CAP_SETGID
-capability).
+capability in the user namespace in which it resides).
 .TP
 .BR EPERM " (since Linux 3.19)"
 The use of