diff --git a/packages/core/src/summary.ts b/packages/core/src/summary.ts
index 015f2eea..1ecb263d 100644
--- a/packages/core/src/summary.ts
+++ b/packages/core/src/summary.ts
@@ -150,7 +150,7 @@ class Summary {
   /**
    * If the summary buffer is empty
    *
-   * @returns {boolen} true if the buffer is empty
+   * @returns {boolean} true if the buffer is empty
    */
   isEmptyBuffer(): boolean {
     return this._buffer.length === 0