remove exclamation mark

Co-authored-by: Janusz Marcinkiewicz <virrages@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index 4f0f51d1a4f..376ab41248d 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -814,7 +814,7 @@ impl<T> [T] {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[inline]
     pub fn chunks(&self, chunk_size: usize) -> Chunks<'_, T> {
-        assert_ne!(chunk_size, 0, "Chunks cannot have a size of zero!");
+        assert_ne!(chunk_size, 0, "chunks cannot have a size of zero");
         Chunks::new(self, chunk_size)
     }