diff --git a/doc/api/errors.md b/doc/api/errors.md
index 813bef36d53a04..ba10a1510310cc 100644
--- a/doc/api/errors.md
+++ b/doc/api/errors.md
@@ -2577,7 +2577,7 @@ A call was made and the UDP subsystem was not running.
 
 ### `ERR_SOURCE_MAP_CANNOT_PARSE`
 
-The source map could not be parsed because it is not valid JSON.
+The source map could not be parsed because it does not exist, or is not valid JSON.
 
 <a id="ERR_SOURCE_MAP_MISSING_SOURCE"></a>