diff --git a/man2/clock_getres.2 b/man2/clock_getres.2
index 8e65d9fb9..844dc980f 100644
--- a/man2/clock_getres.2
+++ b/man2/clock_getres.2
@@ -52,7 +52,7 @@ Feature Test Macro Requirements for glibc (see
 .BR clock_getres (),
 .BR clock_gettime (),
 .BR clock_settime ():
-.RS
+.RS 4
 _POSIX_C_SOURCE\ >=\ 199309L
 .RE
 .ad b
diff --git a/man3/atan2.3 b/man3/atan2.3
index 0712c64fd..911f50bec 100644
--- a/man3/atan2.3
+++ b/man3/atan2.3
@@ -54,7 +54,7 @@ Feature Test Macro Requirements for glibc (see
 .ad l
 .BR atan2f (),
 .BR atan2l ():
-.RS
+.RS 4
 _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
     || /* Since glibc 2.19: */ _DEFAULT_SOURCE
     || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
diff --git a/man3/ctime.3 b/man3/ctime.3
index c68bdb4a5..d079015a7 100644
--- a/man3/ctime.3
+++ b/man3/ctime.3
@@ -65,7 +65,7 @@ Feature Test Macro Requirements for glibc (see
 .BR ctime_r (),
 .BR gmtime_r (),
 .BR localtime_r ():
-.RS
+.RS 4
 _POSIX_C_SOURCE
     || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
 .RE
diff --git a/man3/getcwd.3 b/man3/getcwd.3
index c27c36aba..c7fa373e0 100644
--- a/man3/getcwd.3
+++ b/man3/getcwd.3
@@ -47,7 +47,7 @@ Feature Test Macro Requirements for glibc (see
 .RE
 .PP
 .BR get_current_dir_name ():
-.RS
+.RS 4
 _GNU_SOURCE
 .RE
 .PP
diff --git a/man3/isgreater.3 b/man3/isgreater.3
index 4fad60772..c26806129 100644
--- a/man3/isgreater.3
+++ b/man3/isgreater.3
@@ -32,7 +32,7 @@ Feature Test Macro Requirements for glibc (see
 .PP
 .ad l
 All functions described here:
-.RS
+.RS 4
 _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
 .RE
 .ad b
diff --git a/man3/iswblank.3 b/man3/iswblank.3
index ac94f7810..170093c98 100644
--- a/man3/iswblank.3
+++ b/man3/iswblank.3
@@ -30,7 +30,7 @@ Feature Test Macro Requirements for glibc (see
 .PP
 .ad l
 .BR iswblank ():
-.RS
+.RS 4
 _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
 .RE
 .ad
diff --git a/man3/scalbln.3 b/man3/scalbln.3
index 3fdfb378d..7ec7fe2e3 100644
--- a/man3/scalbln.3
+++ b/man3/scalbln.3
@@ -52,7 +52,7 @@ Feature Test Macro Requirements for glibc (see
 .BR scalbln (),
 .BR scalblnf (),
 .BR scalblnl ():
-.RS
+.RS 4
 _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
     || /* Since glibc 2.19: */ _DEFAULT_SOURCE
 .RE
@@ -60,7 +60,7 @@ _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
 .BR scalbn (),
 .BR scalbnf (),
 .BR scalbnl ():
-.RS
+.RS 4
 _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
     || /* Since glibc 2.19: */ _DEFAULT_SOURCE
     || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE