Improve some adb error logging

Bug: 11290643
Change-Id: Ibad4e9f0b69421cd6017b70a52237e7f27aab848
diff --git a/adb/commandline.c b/adb/commandline.c
index 27a1754..c9bb437 100644
--- a/adb/commandline.c
+++ b/adb/commandline.c
@@ -767,7 +767,7 @@
 
     fd = adb_connect("restore:");
     if (fd < 0) {
-        fprintf(stderr, "adb: unable to connect for backup\n");
+        fprintf(stderr, "adb: unable to connect for restore\n");
         adb_close(tarFd);
         return -1;
     }