diff --git a/README.md b/README.md
index 628c341293ff6db0c7994bda40ae12086f73fdb8..062ffe223997744c0d1805bbb87cb8a2906ab805 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ This is a hands-on tutorial on how to learn git.
 6. If we will be late, they will be angry.
 7. My father is thinking that I should stop smoking.
 8. Look! It is snowing.
-9. I fell asleep while I watched TV.
+9. I fell asleep while I was watching TV.
 10. I have lived in Canada since 10 months.
 11. There is a warm country.
 12. I have an iPhone.