diff --git a/addons/addon-webgl/src/WebglRenderer.ts b/addons/addon-webgl/src/WebglRenderer.ts
index 264bfda6e..d26c6d25e 100644
--- a/addons/addon-webgl/src/WebglRenderer.ts
+++ b/addons/addon-webgl/src/WebglRenderer.ts
@@ -667,7 +667,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
     // The 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 causes blurriness as the backing canvas image is 1 pixel too
+    // it's actually 1.1. Ceiling may cause blurriness as the backing canvas image is 1 pixel too
     // large for the canvas element size.
     this.dimensions.css.canvas.height = Math.round(this.dimensions.device.canvas.height / this._devicePixelRatio);
     this.dimensions.css.canvas.width = Math.round(this.dimensions.device.canvas.width / this._devicePixelRatio);
diff --git a/src/browser/renderer/dom/DomRenderer.ts b/src/browser/renderer/dom/DomRenderer.ts
index de08ac0ac..7623ee356 100644
--- a/src/browser/renderer/dom/DomRenderer.ts
+++ b/src/browser/renderer/dom/DomRenderer.ts
@@ -33,7 +33,7 @@ let nextTerminalId = 1;
 
 /**
  * The standard renderer and fallback for when the webgl addon is slow. This is not meant to be
- * particularly fast and will even lack some features such as custom glyphs, hoever this is more
+ * particularly fast and will even lack some features such as custom glyphs, however this is more
  * reliable as webgl may not work on some machines.
  */
 export class DomRenderer extends Disposable implements IRenderer {
diff --git a/src/browser/renderer/dom/DomRendererRowFactory.ts b/src/browser/renderer/dom/DomRendererRowFactory.ts
index 6ae089a43..4477408a2 100644
--- a/src/browser/renderer/dom/DomRendererRowFactory.ts
+++ b/src/browser/renderer/dom/DomRendererRowFactory.ts
@@ -380,7 +380,7 @@ export class DomRendererRowFactory {
       if (!isTop && isInSelection) {
         // If in the selection, force the element to be above the selection to improve contrast and
         // support opaque selections. The applies background is not actually needed here as
-        // selection is drawn in a seperate container, the main purpose of this to ensuring minimum
+        // selection is drawn in a separate container; the main purpose of this is to ensure minimum
         // contrast ratio
         bgOverride = this._coreBrowserService.isFocused ? colors.selectionBackgroundOpaque : colors.selectionInactiveBackgroundOpaque;
         bg = bgOverride.rgba >> 8 & 0xFFFFFF;
diff --git a/src/browser/selection/SelectionModel.ts b/src/browser/selection/SelectionModel.ts
index 7b62b230b..ab043b8c5 100644
--- a/src/browser/selection/SelectionModel.ts
+++ b/src/browser/selection/SelectionModel.ts
@@ -88,7 +88,7 @@ export class SelectionModel {
       return [startPlusLength, this.selectionStart[1]];
     }
 
-    // Ensure the the word/line is selected after a double/triple click
+    // Ensure the word/line is selected after a double/triple click
     if (this.selectionStartLength) {
       // Select the larger of the two when start and end are on the same line
       if (this.selectionEnd[1] === this.selectionStart[1]) {
diff --git a/src/browser/services/SelectionService.ts b/src/browser/services/SelectionService.ts
index 576bdc525..42366e712 100644
--- a/src/browser/services/SelectionService.ts
+++ b/src/browser/services/SelectionService.ts
@@ -927,7 +927,7 @@ export class SelectionService extends Disposable implements ISelectionService {
     // Incremenet the end index so it is at the start of the next character
     endIndex++;
 
-    // Calculate the start _column_, converting the the string indexes back to
+    // Calculate the start _column_, converting the string indexes back to
     // column coordinates.
     let start =
       startIndex // The index of the selection's start char in the line string
@@ -935,7 +935,7 @@ export class SelectionService extends Disposable implements ISelectionService {
       - leftWideCharCount // The number of wide chars left of the initial char
       + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
 
-    // Calculate the length in _columns_, converting the the string indexes back
+    // Calculate the length in _columns_, converting the string indexes back
     // to column coordinates.
     let length = Math.min(this._bufferService.cols, // Disallow lengths larger than the terminal cols
       endIndex // The index of the selection's end char in the line string
diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts
index 0b12dd8e1..9a8b84888 100644
--- a/src/common/InputHandler.ts
+++ b/src/common/InputHandler.ts
@@ -273,7 +273,7 @@ export class InputHandler extends Disposable implements IInputHandler {
     this._parser.setExecuteHandler(C0.HT, () => this.tab());
     this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());
     this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());
-    // FIXME:   What do to with missing? Old code just added those to print.
+    // FIXME:   What to do with missing? Old code just added those to print.
 
     this._parser.setExecuteHandler(C1.IND, () => this.index());
     this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());