fixed typo in a commentary

diff --git a/getloadavg.c b/getloadavg.c
index f0815d7c395094440ab0c8e22019bfee355b35fb..4f6ca573a4656f332eb89aac31082faf0dca69f7 100644 (file)
--- a/getloadavg.c
+++ b/getloadavg.c
@@ -18,7 +18,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#ifndef _POSIX_SOURCE  /* Don't redefine is already exists */
+#ifndef _POSIX_SOURCE  /* Don't redefine if already exists */
 #define _POSIX_SOURCE 1
 #endif