--- Libc/Libc-498/pthreads/pthread_key_create.3
+++ Libc/Libc-320/pthreads/pthread_key_create.3
@@ -39,18 +39,15 @@
 .Sh SYNOPSIS
 .Fd #include <pthread.h>
 .Ft int
-.Fo pthread_key_create
-.Fa "pthread_key_t *key"
-.Fa "void (*destructor)(void *)"
-.Fc
+.Fn pthread_key_create "pthread_key_t *key" "void (*destructor)(void *)"
 .Sh DESCRIPTION
 The
 .Fn pthread_key_create
-function creates a thread-specific data key
-that is visible to all threads in the process.
+function creates a thread-specific data key visible to all threads in the
+process.
 Key values provided by
 .Fn pthread_key_create
-are opaque objects, used to locate thread-specific data.
+are opaque objects used to locate thread-specific data.
 Although the same
 key value may be used by different threads, the values bound to the key
 by
@@ -85,7 +82,7 @@
 function will store the newly created key value at the location specified by
 .Fa key
 and returns zero.
-Otherwise, an error number will be returned to indicate
+Otherwise an error number will be returned to indicate
 the error.
 .Sh ERRORS
 .Fn pthread_key_create