fix: simple typo in compiler directory

compiler/rustc_mir_build/src/build/scope.rs

@@ -748,7 +748,7 @@ pub(crate) fn break_for_else(&mut self, block: BasicBlock, source_info: SourceIn
         self.cfg.terminate(block, source_info, TerminatorKind::UnwindResume);
     }
 
-    /// Sets up the drops for explict tail calls.
+    /// Sets up the drops for explicit tail calls.
     ///
     /// Unlike other kinds of early exits, tail calls do not go through the drop tree.
     /// Instead, all scheduled drops are immediately added to the CFG.

compiler/rustc_query_system/src/dep_graph/serialized.rs

@@ -547,7 +547,7 @@ fn encode_node(
     /// Encodes a node that was promoted from the previous graph. It reads the information directly from
     /// the previous dep graph for performance reasons.
     ///
-    /// This differs from `encode_node` where you have to explictly provide the relevant `NodeInfo`.
+    /// This differs from `encode_node` where you have to explicitly provide the relevant `NodeInfo`.
     ///
     /// It expects all edges to already have a new dep node index assigned.
     #[inline]