diff --git a/README.md b/README.md
index 6214798..da842f9 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,7 @@ new Snd(options: SndOptions);
| volume | number | 1 | Audio volume |
| delay | number | 0 | Delay time (second) |
| duration | number | -1 | Playing duration (second). If this is set to -1 the playing duration will be the original sound duration. |
-| callback | (id: number) => void | () => {} | Callback function that will be called when the sound complete playing. |
+| callback | (id: number) => void | () => {} | Callback function that will be called when the sound completes playing. |
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