diff --git a/man2/syscall.2 b/man2/syscall.2
index 3fc32cb7a..3e420aac1 100644
--- a/man2/syscall.2
+++ b/man2/syscall.2
@@ -54,12 +54,19 @@ syscall \- indirect system call
 Feature Test Macro Requirements for glibc (see
 .BR feature_test_macros (7)):
 .in
-.PP
 .BR syscall ():
+.PD 0
 .ad l
-    /* Since glibc 2.19: */ _DEFAULT_SOURCE
-    /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
+.RS 4
+.TP 4
+Since glibc 2.19:
+_DEFAULT_SOURCE
+.TP
+Before glibc 2.19:
+_BSD_SOURCE || _SVID_SOURCE
+.RE
 .ad
+.PD
 .SH DESCRIPTION
 .BR syscall ()
 is a small library function that invokes