Update doctrine/associations.rst

Co-authored-by: Oskar Stark <[email protected]>

Author: fishbone1

doctrine/associations.rst

@@ -584,7 +584,7 @@ on that ``Product`` will be set to ``null`` in the database.
 .. caution::
 
     Please be aware that the inverse side could be associated with a large amount of records.
-    I.e. There could be a large amount of products with the same category.
+    I.e. there could be a large amount of products with the same category.
     In this case `$this->products->contains($product)` could lead to unwanted database
     requests and very high memory consumption with the risk of hard to debug "Out of memory" errors.