Update src/query.md

Co-authored-by: Boxy <rust@boxyuwu.dev>

Author: xizheyin

src/query.md

@@ -136,7 +136,7 @@ Each of these provider structs is generated by the macros and contains function
 
 #### How are providers registered?
 
-The provider structs are filled in during compiler initialization, mainly by the `rustc_driver` crate.  
+The `util::Provider` struct is filled in during compiler initialization, by the `rustc_interface` crate from the `DEFAULT_QUERY_PROVIDERS` static. 
 But the actual provider functions are implemented in various `rustc_*` crates (like `rustc_middle`, `rustc_hir_analysis`, etc).
 
 To register providers, each crate exposes a [`provide`][provide_fn] function that looks like this: