diff --git a/Road-toward-3.0.0.md b/Road-toward-3.0.0.md
index bf0de57..b67489e 100644
--- a/Road-toward-3.0.0.md
+++ b/Road-toward-3.0.0.md
@@ -57,6 +57,7 @@ ss >> j;
 
 ## User-defined exceptions
 
+```
 (stub)
 
 invalid_iterator.201 | domain_error
@@ -110,3 +111,4 @@ parse_error.109 | invalid_argument
 parse_error.110 | out_of_range
 parse_error.111 | invalid_argument
 parse_error.112 | invalid_argument
+```
\ No newline at end of file