nolog: spelling

Author: Matthias Leutenegger

docs/composer.md

@@ -3,7 +3,7 @@
 > **Note**: if you use a different container than the default, these docs only
 > apply if you have composer built-in
 
-ssdev uses docker and by default hosts Silverstripe a container that comes
+ssdev uses docker and by default hosts Silverstripe inside a container that comes
 bundled with a composer binary.
 
 This makes managing dependencies an easy task as you can rely on the platform