[cookbook] [service_container] fixed typo in scopes chapter.

Hugo Hamon · Hugo Hamon · commit a9090f6fea82 · 2012-03-28T21:54:14.000+02:00
diff --git a/cookbook/service_container/scopes.rst b/cookbook/service_container/scopes.rst
@@ -58,7 +58,7 @@ when compiling the container. Read the sidebar below for more details.
       the current `request` service). This is subtle, but the mis-match could
       cause major problems, which is why it's not allowed.
 
-      So, that's the reason *why* scopes exists, and how they can cause
+      So, that's the reason *why* scopes exist, and how they can cause
       problems. Keep reading to find out the common solutions.
 
 .. note::
