Update README.md

README.md

@@ -54,7 +54,7 @@ Images are stored as URLs that will need to be downloaded separately. Note image
 
 The `points` fields contains the x, y coordinates specified in pixels.
 
-The `label` field contains the string of name of what is being pointed at, this can be a simple object a more complex referring expression.
+The `label` field contains the string of name of what is being pointed at, this can be a simple object or a more complex referring expression.
 
 The `collection` method field specifies whether images are chosen to target high-frequency counting ("counting") or general pointing ("pointing"). The data 
 for rows collected with both methods is the same.