diff --git a/src/api/where/index.erb b/src/api/where/index.erb
index 0f2633e..72def84 100644
--- a/src/api/where/index.erb
+++ b/src/api/where/index.erb
@@ -124,7 +124,7 @@ of ways.</p>
 
 <p>
   They will always appear in that order, since stops and trips reference routes and routes reference agencies. If you
-  are processing the result stream in order, you should always be able to assume that an referenced entity would already
+  are processing the result stream in order, you should always be able to assume that a referenced entity would already
   have been included in the references section.
 </p>