tiny typo (#1140)

hadley · Aug 15, 2018 · c04fc18 · c04fc18
1 parent 4f99def
commit c04fc18
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/OO.Rmd b/OO.Rmd
@@ -58,7 +58,7 @@ Following the notation of _Extending R_, there are two main styles of OOP:
 
 Base R provides three OOP systems: S3, S4, and reference classes (RC):
 
-*   __S3__ is R's first OOP system, and is described _Statistical Models 
+*   __S3__ is R's first OOP system, and is described in _Statistical Models 
     in S_ (1991). It informally implements the functional style.
     It provides no ironclad guarantees but instead relies on a set of 
     conventions. This makes it easy to get started with, and a low cost way