# Objective
- Fix these warnings
```rust
warning: unused doc comment
--> /bevy/crates/bevy_pbr/src/light.rs:62:13
|
62 | /// Luminous power in lumens
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
63 | intensity: 800.0, // Roughly a 60W non-halogen incandescent bulb
| ---------------- rustdoc does not generate documentation for expression fields
|
= help: use `//` for a plain comment
= note: `#[warn(unused_doc_comments)]` on by default
```
```rust
warning: `&` without an explicit lifetime name cannot be used here
--> /bevy/crates/bevy_asset/src/lib.rs:89:32
|
89 | const DEFAULT_FILE_SOURCE: &str = "assets";
| ^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
= note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
help: use the `'static` lifetime
|
89 | const DEFAULT_FILE_SOURCE: &'static str = "assets";
|
```
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