diff --git a/addons/addon-serialize/test/SerializeAddon.test.ts b/addons/addon-serialize/test/SerializeAddon.test.ts
index fb42d807d..c8dba3039 100644
--- a/addons/addon-serialize/test/SerializeAddon.test.ts
+++ b/addons/addon-serialize/test/SerializeAddon.test.ts
@@ -192,7 +192,7 @@ test.describe('SerializeAddon', () => {
     const cols = 10;
     const line = '+'.repeat(cols);
     const lines: string[] = [
-      sgr(FG_P16_GREEN) + line,  // Workaround: If we clear all flags a the end, serialize will use \x1b[0m to clear instead of the sepcific disable sequence
+      sgr(FG_P16_GREEN) + line,  // Workaround: If we clear all flags at the end, serialize will use \x1b[0m to clear instead of the specific disable sequence
       sgr(INVERSE) + line,
       sgr(BOLD) + line,
       sgr(UNDERLINED) + line,
diff --git a/addons/addon-webgl/src/WebglRenderer.ts b/addons/addon-webgl/src/WebglRenderer.ts
index d26c6d25e..2f38e03cb 100644
--- a/addons/addon-webgl/src/WebglRenderer.ts
+++ b/addons/addon-webgl/src/WebglRenderer.ts
@@ -664,7 +664,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
     this.dimensions.device.canvas.height = this._terminal.rows * this.dimensions.device.cell.height;
     this.dimensions.device.canvas.width = this._terminal.cols * this.dimensions.device.cell.width;
 
-    // The the size of the canvas on the page. It's important that this rounds to nearest integer
+    // The size of the canvas on the page. It's important that this rounds to nearest integer
     // and not ceils as browsers often have floating point precision issues where
     // `window.devicePixelRatio` ends up being something like `1.100000023841858` for example, when
     // it's actually 1.1. Ceiling may cause blurriness as the backing canvas image is 1 pixel too
diff --git a/src/common/Types.ts b/src/common/Types.ts
index 971030944..fa4d8b52a 100644
--- a/src/common/Types.ts
+++ b/src/common/Types.ts
@@ -236,7 +236,7 @@ export interface ICoreMouseProtocol {
  * The tracking encoding can be registered and activated at the MouseStateService.
  * If a ICoreMouseEvent passes all protocol restrictions it will be encoded
  * with the active encoding and sent out.
- * Note: Returning an empty string will supress sending a mouse report,
+ * Note: Returning an empty string will suppress sending a mouse report,
  * which can be used to skip creating falsey reports in limited encodings
  * (DEFAULT only supports up to 223 1-based as coord value).
  */
diff --git a/src/common/buffer/BufferReflow.ts b/src/common/buffer/BufferReflow.ts
index 2c0fb74ba..24d4e0a4c 100644
--- a/src/common/buffer/BufferReflow.ts
+++ b/src/common/buffer/BufferReflow.ts
@@ -13,7 +13,7 @@ export interface INewLayoutResult {
 }
 
 /**
- * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed
+ * Evaluates and returns indexes to be removed after reflowLarger occurs. Lines will be removed
  * when a wrapped line unwraps.
  * @param lines The buffer lines.
  * @param oldCols The columns before resize
@@ -109,7 +109,7 @@ export function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, o
 }
 
 /**
- * Creates and return the new layout for lines given an array of indexes to be removed.
+ * Creates and returns the new layout for lines given an array of indexes to be removed.
  * @param lines The buffer lines.
  * @param toRemove The indexes to remove.
  */