diff --git a/src/cmdline.rs b/src/cmdline.rs
index b81f72f..e2cadc9 100644
--- a/src/cmdline.rs
+++ b/src/cmdline.rs
@@ -20,7 +20,7 @@ pub struct Args {
     #[arg(long, short)]
     pub cpus: u8,
 
-    /// Amount of RAM available to VM.
+    /// Amount of RAM available to VM, in MiB.
     #[arg(long, short)]
     pub memory: u32,