std: uniform modules titles for doc

This commit uniforms the short title of modules provided by libstd,
in order to make their roles more explicit when glancing at the index.

Signed-off-by: Luca Bruno <lucab@debian.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstd/container.rs b/src/libstd/container.rs
index c91a53f9663..326b9fa3d33 100644
--- a/src/libstd/container.rs
+++ b/src/libstd/container.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Container traits
+//! Traits for generic containers (including `Map` and `Set`)
 
 use option::Option;