diff --git a/_rules/html-page-lang-valid-bf051a.md b/_rules/html-page-lang-valid-bf051a.md
index 5dc68688b2..93c9f08949 100755
--- a/_rules/html-page-lang-valid-bf051a.md
+++ b/_rules/html-page-lang-valid-bf051a.md
@@ -91,7 +91,7 @@ This `html` element has a `lang` attribute with a [known primary language tag][]
#### Failed Example 1
-This `html` element has a `lang` attribute with a [known primary language tag][].
+This `html` element has a `lang` attribute, with no [known primary language tag][].
```html
@@ -99,7 +99,7 @@ This `html` element has a `lang` attribute with a [known primary language tag][]
#### Failed Example 2
-This `html` element has a `lang` attribute with a [known primary language tag][].
+This `html` element has a `lang` attribute, with no [known primary language tag][].
```html
@@ -107,7 +107,7 @@ This `html` element has a `lang` attribute with a [known primary language tag][]
#### Failed Example 3
-The `lang` attribute of this page is an [iso 639.2][] three letters code, which has no [known primary language tag][].
+The `lang` attribute of this page is an [iso 639.2][] three-letter code, which has no [known primary language tag][].
```html