Update docs/zkapps/o1js/bitwise-operations.mdx

Co-authored-by: Nic Young <20563+nicc@users.noreply.github.com>

docs/zkapps/o1js/bitwise-operations.mdx

@@ -43,7 +43,7 @@ The `and()` gadget:
 - Compares two bits and returns 1 only if both bits are 1. Returns 0 if either bit is not 1.
 - Constrains both input values to fit into `paddedLength` bits. 
 - Both Field elements must fit into `2^paddedLength - 1`.
-- Guarantees that the output is has at most `paddedLength` bits.
+- Guarantees that the output has at most `paddedLength` bits.
 
 For details about the implementation, see [AND](https://o1-labs.github.io/proof-systems/specs/kimchi.html?highlight=gates#and) in the Mina book.