diff --git a/readme.md b/readme.md
index 7cf118b..c7365aa 100644
--- a/readme.md
+++ b/readme.md
@@ -99,7 +99,7 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
       DISK_FMT: "qcow2"
     ```
 
-    Please note that disabling preallocation will negatively affect write performance any time the image needs to grow.
+    Please note that this may reduce the write performance of the disk.
 
   * ### How do I increase the amount of CPU or RAM?