diff --git a/joins.qmd b/joins.qmd
index d5ca351..e6ed410 100644
--- a/joins.qmd
+++ b/joins.qmd
@@ -579,7 +579,7 @@ We'll come back to non-equi joins in @sec-non-equi-joins.
 
 ### Row matching
 
-So far we've explored what happens if a row in `x` matches zero or one rows in `y`.
+So far we've explored what happens if a row in `x` matches zero or one row in `y`.
 What happens if it matches more than one row?
 To understand what's going let's first narrow our focus to the `inner_join()` and then draw a picture, @fig-join-match-types.