diff --git a/man2/clock_getres.2 b/man2/clock_getres.2
index 1cc0d830c..9e9ce0f43 100644
--- a/man2/clock_getres.2
+++ b/man2/clock_getres.2
@@ -349,7 +349,7 @@ T}	Thread safety	MT-Safe
 .sp 1
 .SH CONFORMING TO
 POSIX.1-2001, POSIX.1-2008, SUSv2.
-.SH AVAILABILITY
+.PP
 On POSIX systems on which these functions are available, the symbol
 .B _POSIX_TIMERS
 is defined in \fI<unistd.h>\fP to a value greater than 0.
diff --git a/man2/fsync.2 b/man2/fsync.2
index d758ab21f..b6407ec62 100644
--- a/man2/fsync.2
+++ b/man2/fsync.2
@@ -151,7 +151,7 @@ system call, and some previous write failed due to insufficient
 storage space.
 .SH CONFORMING TO
 POSIX.1-2001, POSIX.1-2008, 4.3BSD.
-.SH AVAILABILITY
+.PP
 On POSIX systems on which
 .BR fdatasync ()
 is available,
diff --git a/man2/mlock.2 b/man2/mlock.2
index c32b5baef..4e2b4acc2 100644
--- a/man2/mlock.2
+++ b/man2/mlock.2
@@ -275,7 +275,7 @@ POSIX.1-2001, POSIX.1-2008, SVr4.
 .PP
 .BR mlock2 ()
 is Linux specific.
-.SH AVAILABILITY
+.PP
 On POSIX systems on which
 .BR mlock ()
 and
diff --git a/man2/mmap.2 b/man2/mmap.2
index 09e74d89a..ec59a5be6 100644
--- a/man2/mmap.2
+++ b/man2/mmap.2
@@ -655,7 +655,7 @@ T}	Thread safety	MT-Safe
 POSIX.1-2001, POSIX.1-2008, SVr4, 4.4BSD.
 .\" SVr4 documents additional error codes ENXIO and ENODEV.
 .\" SUSv2 documents additional error codes EMFILE and EOVERFLOW.
-.SH AVAILABILITY
+.PP
 On POSIX systems on which
 .BR mmap (),
 .BR msync (2),
diff --git a/man2/msync.2 b/man2/msync.2
index ae8ffba53..0d0242bf7 100644
--- a/man2/msync.2
+++ b/man2/msync.2
@@ -105,7 +105,7 @@ instead of
 .BR ENOMEM .
 In Linux 2.4.19, this was changed to the POSIX value
 .BR ENOMEM .
-.SH AVAILABILITY
+.PP
 On POSIX systems on which
 .BR msync ()
 is available, both
diff --git a/man3/INFINITY.3 b/man3/INFINITY.3
index 38e87a81f..7a3705063 100644
--- a/man3/INFINITY.3
+++ b/man3/INFINITY.3
@@ -73,7 +73,7 @@ respectively,
 that represent a large positive value, possibly positive infinity.
 .SH CONFORMING TO
 C99.
-.SH AVAILABILITY
+.PP
 On a glibc system, the macro
 .B HUGE_VAL
 is always available.
diff --git a/man3/cexp2.3 b/man3/cexp2.3
index 8249f8dea..794bf9706 100644
--- a/man3/cexp2.3
+++ b/man3/cexp2.3
@@ -22,7 +22,7 @@ The function returns 2 raised to the power of
 .IR z .
 .SH CONFORMING TO
 These function names are reserved for future use in C99.
-.SH AVAILABILITY
+.PP
 As at version 2.31, these functions are not provided in glibc.
 .\" But reserved in NAMESPACE.
 .SH SEE ALSO
diff --git a/man3/clog2.3 b/man3/clog2.3
index 58a561054..953ace2f6 100644
--- a/man3/clog2.3
+++ b/man3/clog2.3
@@ -33,7 +33,7 @@ Note that
 close to zero will cause an overflow.
 .SH CONFORMING TO
 These function names are reserved for future use in C99.
-.SH AVAILABILITY
+.PP
 Not yet in glibc, as at version 2.19.
 .\" But reserved in NAMESPACE.
 .SH SEE ALSO
diff --git a/man3/flockfile.3 b/man3/flockfile.3
index 2c9d7f53d..411f02a5a 100644
--- a/man3/flockfile.3
+++ b/man3/flockfile.3
@@ -139,7 +139,7 @@ T}	Thread safety	MT-Safe
 .TE
 .SH CONFORMING TO
 POSIX.1-2001, POSIX.1-2008.
-.SH AVAILABILITY
+.PP
 These functions are available when
 .B _POSIX_THREAD_SAFE_FUNCTIONS
 is defined.