wait.2: ffix

man2/wait.2

@@ -521,6 +521,7 @@ The parent process executes a loop that monitors the child using
 and uses the W*() macros described above to analyze the wait status value.
 
 The following shell session demonstrates the use of the program:
+.in +4n
 .nf
 
 $ ./a.out &
@@ -535,6 +536,9 @@ killed by signal 15
 [1]+  Done                    ./a.out
 $
 
+.fi
+.in
+.nf
 #include <sys/wait.h>
 #include <stdlib.h>
 #include <unistd.h>