clarify that

diff --git a/docs/layout/overview.md b/docs/layout/overview.md
index 8ed7671a984d2370c0971de1ea85ea0e26e8533a..4dcb294dc8269ef42833b86898de333a26f940b1 100644 (file)
--- a/docs/layout/overview.md
+++ b/docs/layout/overview.md
@@ -15,7 +15,7 @@ Bootstrap includes several components and options for laying out your project, i
 
 ## Containers
 
-Containers are the most basic layout element in Bootstrap and are **required when using our grid system**. Choose from a responsive, fixed-width container (meaning its `max-width` changes at each breakpoint) or fluid-width (meaning it's `100%` wide all the time).
+Containers are the most basic layout element in Bootstrap and are **required when using our default grid system**. Choose from a responsive, fixed-width container (meaning its `max-width` changes at each breakpoint) or fluid-width (meaning it's `100%` wide all the time).
 
 While containers *can* be nested, most layouts do not require a nested container.