diff --git a/packages/sol-trace-based-tools-common/src/source_maps.ts b/packages/sol-trace-based-tools-common/src/source_maps.ts
index 7191fb7127..af0fb40351 100644
--- a/packages/sol-trace-based-tools-common/src/source_maps.ts
+++ b/packages/sol-trace-based-tools-common/src/source_maps.ts
@@ -12,7 +12,7 @@ export interface SourceLocation {
 }
 
 /**
- * Receives a string with newlines and returns a hash of byte offset to LineColumn
+ * Receives a string with newlines and returns a map of byte offset to LineColumn
  * @param str A string to process
  */
 export function getLocationByOffset(str: string): LocationByOffset {