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-rw-r--r--Lessons/Lesson_70/README.md2
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diff --git a/Lessons/Lesson_70/README.md b/Lessons/Lesson_70/README.md
index 0ecd5f7..118bb09 100644
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+++ b/Lessons/Lesson_70/README.md
@@ -257,6 +257,8 @@ endif
```
This code will show element, only if numeric value is even.
+Keep in mind that code defining a `name` must come before its reference in `questionref`. Opposite situation would lead to build failure.
+
# pushthis
Inside the question you can get the question value with the help of `pushthis` keyword, which would translate to `EFI_IFR_THIS`: