Tweak comment

examples/defer/defer.go

@@ -41,7 +41,8 @@ func writeFile(f *os.File) {
 func closeFile(f *os.File) {
 	fmt.Println("closing")
 	err := f.Close()
-	// It is important to check for errors when closing a file, even in a deferred function.
+	// It's important to check for errors when closing a
+	// file, even in a deferred function.
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "error: %v\n", err)
 		os.Exit(1)

examples/defer/defer.hash

@@ -1,2 +1,2 @@
-4e2229c593e102d4efd101a7e9aa21f3345e90d1
-S2RuPTkABip
+fadbe9c05bb42db672316ba19adf3c2189c7b3f5
+OrCaBiCrTKq