diff --git a/headers/posix/sys/select.h b/headers/posix/sys/select.h
index 8954bfd47d..557e98af7c 100644
--- a/headers/posix/sys/select.h
+++ b/headers/posix/sys/select.h
@@ -47,10 +47,10 @@ typedef struct fd_set {
 extern "C" {
 #endif
 
-extern int pselect(int nbits, struct fd_set *rbits, struct fd_set *wbits, struct fd_set *ebits,
-			const struct timespec *timeout, const sigset_t *sigMask);
-extern int select(int nbits, struct fd_set *rbits, struct fd_set *wbits, 
-			struct fd_set *ebits, struct timeval *timeout);
+extern int pselect(int numBits, struct fd_set *readBits, struct fd_set *writeBits,
+			struct fd_set *errorBits, const struct timespec *timeout, const sigset_t *sigMask);
+extern int select(int numBits, struct fd_set *readBits, struct fd_set *writeBits, 
+			struct fd_set *errorBits, struct timeval *timeout);
 
 #ifdef __cplusplus
 }
diff --git a/headers/posix/sys/time.h b/headers/posix/sys/time.h
index 4f6f69c7da..99d03514be 100644
--- a/headers/posix/sys/time.h
+++ b/headers/posix/sys/time.h
@@ -9,8 +9,8 @@
 
 
 struct timeval {
-	time_t		tv_sec;
-	suseconds_t	tv_usec;
+	time_t		tv_sec;		/* seconds */
+	suseconds_t	tv_usec;	/* microseconds */
 };
 
 #include <sys/select.h>