diff --git a/aio/tools/translator/bin/translate-one.ts b/aio/tools/translator/bin/translate-one.ts
index 0b79aecc04..69d48b7117 100644
--- a/aio/tools/translator/bin/translate-one.ts
+++ b/aio/tools/translator/bin/translate-one.ts
@@ -3,5 +3,5 @@
 import { dirs } from '../dirs';
 import { translateFile } from '../translate';
 
-const filename = 'guide/aot-compiler.md';
-translateFile(__dirname + '/../../../../../content-en/' + filename, dirs.content + filename);
+const filename = 'guide/reactive-forms.md';
+translateFile(__dirname + '/../../../../../angular/aio/content/' + filename, dirs.content + filename);
diff --git a/aio/tools/translator/extractor.ts b/aio/tools/translator/extractor.ts
index 9070bd179b..80a41b9772 100644
--- a/aio/tools/translator/extractor.ts
+++ b/aio/tools/translator/extractor.ts
@@ -10,7 +10,6 @@ import {
   originalIsNotOnlyBeginTag,
   originalIsNotPureCloseTag,
   originalIsNotSpecialDivTag,
-  translationHasNotCodeExample,
 } from './utils';
 
 export function splitAndTrim(text = ''): string[] {
@@ -27,7 +26,7 @@ export function isTranslation(text) {
 export function gatherTranslations(text: string): DictEntry[] {
   const lines = splitAndTrim(normalizeLines(text));
 
-  const result = [];
+  const result: any[] = [];
   for (let i = 1; i < lines.length; ++i) {
     const translation = purifyText(lines[i]);
     if (hasInlineText(translation)) {
diff --git a/aio/tools/translator/utils.ts b/aio/tools/translator/utils.ts
index 760a713c9b..b252db6e71 100644
--- a/aio/tools/translator/utils.ts
+++ b/aio/tools/translator/utils.ts
@@ -35,15 +35,15 @@ export function isNotImg(entry: DictEntry): boolean {
 }
 
 export function isNotCheatSheet(entry: DictEntry): boolean {
-  return !/cheatsheet.md$/.test(entry.sourceFile);
+  return !/cheatsheet.md$/.test(entry.sourceFile!!);
 }
 
 export function isNotMarketingDocs(entry: DictEntry): boolean {
-  return !/marketing\/docs.md$/.test(entry.sourceFile);
+  return !/marketing\/docs.md$/.test(entry.sourceFile!!);
 }
 
 export function isNotCnPages(entry: DictEntry): boolean {
-  return !/cn\/.*?.md$/.test(entry.sourceFile);
+  return !/cn\/.*?.md$/.test(entry.sourceFile!!);
 }
 
 export function isHead(line: string): boolean {
@@ -166,7 +166,7 @@ export function fuzzyTest(text1: string, text2: string): boolean {
 }
 
 export function exactlyTest(key: string, text: string): boolean {
-  return key && key === text;
+  return !!key && key === text;
 }
 
 export function kernelText(text: string): string {