diff --git a/src/common/buffer/Buffer.ts b/src/common/buffer/Buffer.ts
index 5ecf19bb..4f02e36d 100644
--- a/src/common/buffer/Buffer.ts
+++ b/src/common/buffer/Buffer.ts
@@ -269,9 +269,9 @@ export class Buffer implements IBuffer {
     let counted = 0;
     for (let i = 0; i < this.lines.length; i++) {
       counted += this.lines.get(i)!.cleanupMemory();
-      // throttle to 5k lines at once and
+      // throttle to 500 lines at once and
       // return true to indicate, that the task is not finished yet
-      if (counted > 5000) {
+      if (counted > 500) {
         return true;
       }
     }
diff --git a/src/common/buffer/BufferLine.ts b/src/common/buffer/BufferLine.ts
index ac4ea768..d5f43844 100644
--- a/src/common/buffer/BufferLine.ts
+++ b/src/common/buffer/BufferLine.ts
@@ -340,8 +340,8 @@ export class BufferLine implements IBufferLine {
    * Resize BufferLine to `cols` filling excess cells with `fillCellData`.
    * The underlying array buffer will not change if there is still enough space
    * to hold the new buffer line data.
-   * Returns a boolean indicating, whether a `cleanBuffer` call would free
-   * excess memory (after shrinking > CLEANUP_THRESHOLD).
+   * Returns a boolean indicating, whether a `cleanupMemory` call would free
+   * excess memory (true after shrinking > CLEANUP_THRESHOLD).
    */
   public resize(cols: number, fillCellData: ICellData): boolean {
     if (cols === this.length) {