--- Libc/Libc-320/pthreads/pthread_once.3
+++ Libc/Libc-583/pthreads/pthread_once.3
@@ -90,11 +90,10 @@
 has automatic storage duration or is not initialized by
 .Fa PTHREAD_ONCE_INIT .
 .Sh RETURN VALUES
-If successful,  the
+If successful, the
 .Fn pthread_once
 function will return zero.
-Otherwise an error number will be returned to
-indicate the error.
+Otherwise, an error number will be returned to indicate the error.
 .Sh ERRORS
 None.
 .Sh STANDARDS