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-rw-r--r--library/alloc/src/ffi/c_str.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs
index 9419b0cfb24..35d1f681af6 100644
--- a/library/alloc/src/ffi/c_str.rs
+++ b/library/alloc/src/ffi/c_str.rs
@@ -1,3 +1,5 @@
+//! [`CString`] and its related types.
+
 #[cfg(test)]
 mod tests;