diff --git a/docker-for-mac/index.md b/docker-for-mac/index.md
index 870427219a..5ac085dfe0 100644
--- a/docker-for-mac/index.md
+++ b/docker-for-mac/index.md
@@ -157,7 +157,7 @@ to decrease, lower the number.
 the total available memory on your Mac. To increase RAM, set this to a higher number;
 to decrease it, lower the number.
 
-**Swap**: Configure swappiness as needed. The default is 1.
+**Swap**: Configure swap file size as needed. The default is 1 GB.
 
 ### Disk tab