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-rw-r--r--library/core/src/primitive_docs.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/core/src/primitive_docs.rs b/library/core/src/primitive_docs.rs
index d8597369b9b..331067b8975 100644
--- a/library/core/src/primitive_docs.rs
+++ b/library/core/src/primitive_docs.rs
@@ -1468,7 +1468,7 @@ mod prim_usize {}
 /// boundary, the following invariants must generally be upheld:
 ///
 /// * `t` is aligned to `align_of_val(t)`
-/// * `t` is dereferenceable for `size_of_val(t)` many bytes
+/// * if `size_of_val(t) > 0`, then `t` is dereferenceable for `size_of_val(t)` many bytes
 ///
 /// If `t` points at address `a`, being "dereferenceable" for N bytes means that the memory range
 /// `[a, a + N)` is all contained within a single [allocated object].