Change tooltip captions

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

@@ -375,10 +375,10 @@ export class ExtensionEditor extends BaseEditor {
 
 		this.navbar.clear();
 		this.navbar.onChange(this.onNavbarChange.bind(this, extension), this, this.transientDisposables);
-		this.navbar.push(NavbarSection.Readme, localize('details', "Details"), localize('detailstooltip', "Extension details"));
-		this.navbar.push(NavbarSection.Contributions, localize('contributions', "Contributions"), localize('contributionstooltip', "Extension contributions to VS Code editor"));
-		this.navbar.push(NavbarSection.Changelog, localize('changelog', "Changelog"), localize('changelogtooltip', "Extension changelog"));
-		this.navbar.push(NavbarSection.Dependencies, localize('dependencies', "Dependencies"), localize('dependenciestooltip', "Extension dependencies"));
+		this.navbar.push(NavbarSection.Readme, localize('details', "Details"), localize('detailstooltip', "Extension details, rendered from the extension's 'README.md' file"));
+		this.navbar.push(NavbarSection.Contributions, localize('contributions', "Contributions"), localize('contributionstooltip', "Extension contributions to the VS Code editor"));
+		this.navbar.push(NavbarSection.Changelog, localize('changelog', "Changelog"), localize('changelogtooltip', "Extension update history, rendered from the extension's 'CHANGELOG.md' file"));
+		this.navbar.push(NavbarSection.Dependencies, localize('dependencies', "Dependencies"), localize('dependenciestooltip', "Extension dependencies, lists other extensions this extension depends on"));
 
 		this.editorLoadComplete = true;
 		return super.setInput(input, options);