Fixes #48280

src/vs/workbench/parts/extensions/electron-browser/runtimeExtensionsEditor.ts

@@ -304,9 +304,19 @@ export class RuntimeExtensionsEditor extends BaseEditor {
 				} else if (/^workspaceContains:/.test(activationTimes.activationEvent)) {
 					let fileNameOrGlob = activationTimes.activationEvent.substr('workspaceContains:'.length);
 					if (fileNameOrGlob.indexOf('*') >= 0 || fileNameOrGlob.indexOf('?') >= 0) {
-						title = nls.localize('workspaceContainsGlobActivation', "Activated because a file matching {0} exists in your workspace", fileNameOrGlob);
+						title = nls.localize({
+							key: 'workspaceContainsGlobActivation',
+							comment: [
+								'{0} will be a glob pattern'
+							]
+						}, "Activated because a file matching {0} exists in your workspace", fileNameOrGlob);
 					} else {
-						title = nls.localize('workspaceContainsFileActivation', "Activated because file {0} exists in your workspace", fileNameOrGlob);
+						title = nls.localize({
+							key: 'workspaceContainsFileActivation',
+							comment: [
+								'{0} will be a file name'
+							]
+						}, "Activated because file {0} exists in your workspace", fileNameOrGlob);
 					}
 				} else if (/^onLanguage:/.test(activationTimes.activationEvent)) {
 					let language = activationTimes.activationEvent.substr('onLanguage:'.length);