Index: lib/libc/sys/kill.2
===================================================================
--- lib/libc/sys/kill.2
+++ lib/libc/sys/kill.2
@@ -28,7 +28,7 @@
 .\"     @(#)kill.2	8.3 (Berkeley) 4/19/94
 .\" $FreeBSD$
 .\"
-.Dd December 1, 2017
+.Dd December 1, 2019
 .Dt KILL 2
 .Os
 .Sh NAME
@@ -134,7 +134,7 @@
 .It Bq Er EPERM
 The sending process does not have permission to send
 .Va sig
-to the receiving process.
+to any receiving process.
 .El
 .Sh SEE ALSO
 .Xr getpgrp 2 ,
Index: sys/kern/kern_sig.c
===================================================================
--- sys/kern/kern_sig.c
+++ sys/kern/kern_sig.c
@@ -1688,10 +1688,11 @@
 {
 	struct proc *p;
 	struct pgrp *pgrp;
-	int err;
-	int ret;
+	int err, ret;
+	bool sent_one;
 
 	ret = ESRCH;
+	sent_one = false;
 	if (all) {
 		/*
 		 * broadcast
@@ -1708,8 +1709,8 @@
 				if (sig)
 					pksignal(p, sig, ksi);
 				ret = err;
-			}
-			else if (ret == ESRCH)
+				sent_one = true;
+			} else if (ret == ESRCH)
 				ret = err;
 			PROC_UNLOCK(p);
 		}
@@ -1742,13 +1743,15 @@
 				if (sig)
 					pksignal(p, sig, ksi);
 				ret = err;
-			}
-			else if (ret == ESRCH)
+				sent_one = true;
+			} else if (ret == ESRCH)
 				ret = err;
 			PROC_UNLOCK(p);
 		}
 		PGRP_UNLOCK(pgrp);
 	}
+	if (ret == EPERM && sent_one)
+		ret = 0;
 	return (ret);
 }