diff --git a/src/std_extensions/arithmetic/conversions.rs b/src/std_extensions/arithmetic/conversions.rs
index d22b708e2..46e187fd5 100644
--- a/src/std_extensions/arithmetic/conversions.rs
+++ b/src/std_extensions/arithmetic/conversions.rs
@@ -71,7 +71,7 @@ impl MakeOpDef for ConvertOpDef {
 }
 
 impl ConvertOpDef {
-    /// INitialise a conversion op with an integer log width type argument.
+    /// Initialise a conversion op with an integer log width type argument.
     pub fn with_width(self, log_width: u8) -> ConvertOpType {
         ConvertOpType {
             def: self,