diff --git a/extensions/php/snippets/php.code-snippets b/extensions/php/snippets/php.code-snippets
index b2e9078d91f..9c061291647 100644
--- a/extensions/php/snippets/php.code-snippets
+++ b/extensions/php/snippets/php.code-snippets
@@ -64,7 +64,7 @@
 		"body": [
 			"* @param ${1:Type} ${2:var} ${3:Description}$0"
 		],
-		"description": "Paramater documentation"
+		"description": "Parameter documentation"
 	},
 	"function …": {
 		"prefix": "fun",
diff --git a/src/vs/editor/contrib/parameterHints/parameterHintsWidget.ts b/src/vs/editor/contrib/parameterHints/parameterHintsWidget.ts
index 04bf8790174..cf562110373 100644
--- a/src/vs/editor/contrib/parameterHints/parameterHintsWidget.ts
+++ b/src/vs/editor/contrib/parameterHints/parameterHintsWidget.ts
@@ -79,7 +79,7 @@ export class ParameterHintsWidget extends Disposable implements IContentWidget {
 		}));
 	}
 
-	private createParamaterHintDOMNodes() {
+	private createParameterHintDOMNodes() {
 		const element = $('.editor-widget.parameter-hints-widget');
 		const wrapper = dom.append(element, $('.phwrapper'));
 		wrapper.tabIndex = -1;
@@ -150,7 +150,7 @@ export class ParameterHintsWidget extends Disposable implements IContentWidget {
 		}
 
 		if (!this.domNodes) {
-			this.createParamaterHintDOMNodes();
+			this.createParameterHintDOMNodes();
 		}
 
 		this.keyVisible.set(true);
@@ -352,7 +352,7 @@ export class ParameterHintsWidget extends Disposable implements IContentWidget {
 
 	getDomNode(): HTMLElement {
 		if (!this.domNodes) {
-			this.createParamaterHintDOMNodes();
+			this.createParameterHintDOMNodes();
 		}
 		return this.domNodes!.element;
 	}
diff --git a/src/vs/workbench/browser/parts/editor/editorGroupView.ts b/src/vs/workbench/browser/parts/editor/editorGroupView.ts
index d9450433b20..ba3de9d227a 100644
--- a/src/vs/workbench/browser/parts/editor/editorGroupView.ts
+++ b/src/vs/workbench/browser/parts/editor/editorGroupView.ts
@@ -608,7 +608,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 		const path = resource ? resource.scheme === Schemas.file ? resource.fsPath : resource.path : undefined;
 		if (resource && path) {
 			let resourceExt = extname(resource);
-			// Remove query paramaters from the resource extension
+			// Remove query parameters from the resource extension
 			const queryStringLocation = resourceExt.indexOf('?');
 			resourceExt = queryStringLocation !== -1 ? resourceExt.substr(0, queryStringLocation) : resourceExt;
 			descriptor['resource'] = { mimeType: guessMimeTypes(resource).join(', '), scheme: resource.scheme, ext: resourceExt, path: hash(path) };
diff --git a/src/vs/workbench/contrib/telemetry/browser/telemetry.contribution.ts b/src/vs/workbench/contrib/telemetry/browser/telemetry.contribution.ts
index 0ffa12bcc17..215323fd36c 100644
--- a/src/vs/workbench/contrib/telemetry/browser/telemetry.contribution.ts
+++ b/src/vs/workbench/contrib/telemetry/browser/telemetry.contribution.ts
@@ -195,7 +195,7 @@ export class TelemetryContribution extends Disposable implements IWorkbenchContr
 
 	private getTelemetryData(resource: URI, reason?: number): TelemetryData {
 		let ext = extname(resource);
-		// Remove query paramaters from the resource extension
+		// Remove query parameters from the resource extension
 		const queryStringLocation = ext.indexOf('?');
 		ext = queryStringLocation !== -1 ? ext.substr(0, queryStringLocation) : ext;
 		const fileName = basename(resource);