1 files changed, 1 insertions, 1 deletions
diff --git a/library/alloc/src/collections/mod.rs b/library/alloc/src/collections/mod.rs
index 161a375736c..3e0b0f73550 100644
--- a/library/alloc/src/collections/mod.rs
+++ b/library/alloc/src/collections/mod.rs
@@ -139,7 +139,7 @@ impl Display for TryReserveError {
                 " because the computed capacity exceeded the collection's maximum"
             }
             TryReserveErrorKind::AllocError { .. } => {
-                " because the memory allocator returned a error"
+                " because the memory allocator returned an error"
             }
         };
         fmt.write_str(reason)