Update text/chapter3.md

shaunplee · milesfrain · web-flow · commit f50148e14372 · 2021-01-03T10:41:19.000-08:00
Co-authored-by: milesfrain &lt;milesfrain@users.noreply.github.com&gt;
diff --git a/text/chapter3.md b/text/chapter3.md
@@ -653,7 +653,7 @@ This allows for compact definitions of curried (or partially applied) functions
 > add2 4
 6
 ```
-Alternatively, operators can be partially applied by surrounding them with parentheses and using `_` as an operand:
+Alternatively, operators can be partially applied by surrounding them with parentheses and using `_` as an operand in an [operator section](https://github.com/purescript/documentation/blob/master/language/Syntax.md#operator-sections):
 ```text
 > add3 = (3 + _)
 > add3 2

Original file line number	Diff line number	Diff line change
`@@ -653,7 +653,7 @@ This allows for compact definitions of curried (or partially applied) functions`
`653`	`653`	`> add2 4`
`654`	`654`	`6`
`655`	`655`	```
`656`		-Alternatively, operators can be partially applied by surrounding them with parentheses and using `_` as an operand:
	`656`	+Alternatively, operators can be partially applied by surrounding them with parentheses and using `_` as an operand in an [operator section](https://github.com/purescript/documentation/blob/master/language/Syntax.md#operator-sections):
`657`	`657`	```text
`658`	`658`	`> add3 = (3 + _)`
`659`	`659`	`> add3 2`