diff --git a/progress/internal/linear-progress.ts b/progress/internal/linear-progress.ts
index 4d5814a94..2ef54677a 100644
--- a/progress/internal/linear-progress.ts
+++ b/progress/internal/linear-progress.ts
@@ -15,7 +15,7 @@ import {Progress} from './progress.js';
  */
 export class LinearProgress extends Progress {
   /**
-   * Buffer amount to display, a fraction between 0 and 1.
+   * Buffer amount to display, a fraction between 0 and max.
    */
   @property({type: Number}) buffer = 1;