diff --git a/arrow-buffer/src/buffer/ops.rs b/arrow-buffer/src/buffer/ops.rs
index 05593504b1cf..4834d8c07eaa 100644
--- a/arrow-buffer/src/buffer/ops.rs
+++ b/arrow-buffer/src/buffer/ops.rs
@@ -61,6 +61,8 @@ where
 
 /// Apply a bitwise operation `op` to two inputs and return the result as a Buffer.
 /// The inputs are treated as bitmaps, meaning that offsets and length are specified in number of bits.
+///
+/// This is a comment for testing purposes
 pub fn bitwise_bin_op_helper<F>(
     left: &Buffer,
     left_offset_in_bits: usize,