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-rw-r--r--src/rustdoc/tystr_pass.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/rustdoc/tystr_pass.rs b/src/rustdoc/tystr_pass.rs
index e31a208d1d1..f94024047c0 100644
--- a/src/rustdoc/tystr_pass.rs
+++ b/src/rustdoc/tystr_pass.rs
@@ -1,3 +1,6 @@
+#[doc =
+  "Pulls type information out of the AST and attaches it to the document"];
+
 import rustc::syntax::ast;
 import rustc::syntax::print::pprust;
 import rustc::middle::ast_map;