diff --git a/book/gadts/README.md b/book/gadts/README.md
index dc0d985a7..2c6ab7717 100644
--- a/book/gadts/README.md
+++ b/book/gadts/README.md
@@ -314,13 +314,13 @@ type _ expr =
   | If : bool expr * 'a expr * 'a expr -> 'a expr
 ```
 
-The syntax here requires some decoding. The colon to the right of
-each tag is what tells you that this is a GADT.  To the right of the
-colon, you'll see what looks like an ordinary function signature, and
-you can almost think of it that way; specifically, as the type
-signature for that particular tag. The left-hand side of the
-arrow states the types of the arguments to the tag, and the
-right hand side determines the type of the constructed value.
+The syntax here requires some decoding. The colon to the right of each
+tag is what tells you that this is a GADT.  To the right of the colon,
+you'll see what looks like an ordinary, single-argument function
+signature, and you can almost think of it that way; specifically, as
+the type signature for that particular tag. The left-hand side of the
+arrow states the types of the arguments to the tag, and the right hand
+side determines the type of the constructed value.
 
 Note that in the definition of each tag in a GADT, the right-hand side
 is an instance of the type as the overall GADT, though the type