readme fix

README.md

@@ -45,7 +45,7 @@ Journald::Native.perror "message"
 
 It is not recommended to use ```print``` and ```perror``` as you may lose ```'\0'``` byte in your string due to
 C zero-terminated string format (all zero bytes in the middle will be removed) On the contrary ```send``` uses
-binary buffers and does not have such shortcoming.
+binary buffers and does not have this shortcoming.
 
 ### License