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diff --git a/topics/week7_introducing_monads.mdwn b/topics/week7_introducing_monads.mdwn
index 7acc77cf..244793ff 100644
--- a/topics/week7_introducing_monads.mdwn
+++ b/topics/week7_introducing_monads.mdwn
@@ -152,8 +152,8 @@ The name "bind" is not well chosen from our perspective, but this is too deeply
 
 To take a trivial (but, as we will see, still useful) example,
 consider the Identity box type: `α`. So if `α` is type `bool`,
-then a boxed `α` is ... a `bool`. In terms of the box analogy, the
-Identity box type is a completely invisible box. With the following
+then a boxed `α` is ... a `bool`. That is, <code><u>α</u> = α</code>.
+In terms of the box analogy, the Identity box type is a completely invisible box. With the following
 definitions:
 
     mid ≡ \p. p