diff --git a/04-file-copying.c b/04-file-copying.c
index 5c7e6f2..a5e7e92 100644
--- a/04-file-copying.c
+++ b/04-file-copying.c
@@ -1,13 +1,10 @@
 #include <stdio.h>
 
-/* copy input to output; 1st version */
+/* copy input to output; 2nd version */
 int main()
 {
 	int c;
 
-	c = getchar();
-	while (c != EOF) {
+	while ((c = getchar()) != EOF)
 		putchar(c);
-		c = getchar();
-	}
 }