Auto merge of #80156 - RalfJung:rollup-m3poz8z, r=RalfJung

Rollup of 6 pull requests

Successful merges:

 - #80121 (Change the message for `if_let_guard` feature gate)
 - #80130 (docs: Edit rustc_span::symbol::Symbol method)
 - #80135 (Don't allow `const` to begin a nonterminal)
 - #80145 (Fix typo in rustc_typeck docs)
 - #80146 (Edit formatting in Rust Prelude docs)
 - #80147 (Add missing punctuation to std::alloc docs)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index cceede42cac..4d14763825c 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -1632,7 +1632,7 @@ impl Symbol {
         self == kw::True || self == kw::False
     }
 
-    /// This symbol can be a raw identifier.
+    /// Returns `true` if this symbol can be a raw identifier.
     pub fn can_be_raw(self) -> bool {
         self != kw::Invalid && self != kw::Underscore && !self.is_path_segment_keyword()
     }