Fix vulkano-shaders bytes documentation
//! ## `bytes: "..."`
//!
//! Provides the path to precompiled SPIR-V bytecode, relative to `Cargo.toml`.
-//! Cannot be used in conjunction with the `src` or `bytes` field.
+//! Cannot be used in conjunction with the `src` or `path` field.
//! This allows using shaders compiled through a separate build system.
//!
//! ## `include: ["...", "...", ..., "..."]`
