Update src/requestHandler.ts

Co-authored-by: Copilot <[email protected]>

Author: phortx

src/requestHandler.ts

@@ -1020,7 +1020,7 @@ export default class RequestHandler {
       // We added the headline to the search text with 2 line breaks.
       // That causes the start and end position numbers to be wrong with an offset
       // of the char length of the headline line breaks.
-      // This is fixed by substracting the positionOffset from the start and end position.
+      // This is fixed by subtracting the positionOffset from the start and end position.
       const positionOffset = filenamePrefix.length;
 
       if (result) {