diff --git a/.github/workflows/config/typos.toml b/.github/workflows/config/typos.toml
index 22623fc275..707a16aa78 100644
--- a/.github/workflows/config/typos.toml
+++ b/.github/workflows/config/typos.toml
@@ -4,6 +4,8 @@ pn = "pn"
 struc = "struc"
 ba = "ba"
 advices = "advices"
+unexpect = "unexpect"
+Convertion = "Convertion"
 
 [files]
 extend-exclude = ["integration-tests/contracts"]
diff --git a/bus-mapping/src/circuit_input_builder.rs b/bus-mapping/src/circuit_input_builder.rs
index 3fd9714a7b..c6d3044023 100644
--- a/bus-mapping/src/circuit_input_builder.rs
+++ b/bus-mapping/src/circuit_input_builder.rs
@@ -814,7 +814,7 @@ impl CircuitInputBuilder<FixedCParams> {
         );
         assert!(
             self.chunks.len() == self.chunk_ctx.idx + 1,
-            "number of chunks {} mis-match with chunk_ctx id {}",
+            "number of chunks {} miss-match with chunk_ctx id {}",
             self.chunks.len(),
             self.chunk_ctx.idx + 1,
         );
@@ -975,7 +975,7 @@ impl CircuitInputBuilder<DynamicCParams> {
     }
 
     /// Handle a block by handling each transaction to generate all the
-    /// associated operations. Dry run the block to determind the target
+    /// associated operations. Dry run the block to determined the target
     /// [`FixedCParams`] from to total number of chunks.
     pub fn handle_block(
         self,