diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 56d0678d2..45543ce54 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -1005,18 +1005,18 @@ when the kernel provides it.
 .SS Undocumented
 Before the introduction of
 .BR SA_SIGINFO ,
-it was also possible to get some additional information,
-namely by using a
+it was also possible to get some additional information about the signal.
+This was done by providing an
 .I sa_handler
-with a second argument of type
-.I "struct sigcontext"
-(it is the same structure as the one that is passed in the
+signal handler with a second argument of type
+.IR "struct sigcontext" ,
+which is the same structure as the one that is passed in the
 .I uc_mcontext
 field of the
-.I struct ucontext
-structure, pointer to which is passed in the third argument of
+.I ucontext
+structure that is passed (via a pointer) in the third argument of the
 .I sa_sigaction
-handler).
+handler.
 See the relevant Linux kernel sources for details.
 This use is obsolete now.
 .SH BUGS