diff --git a/README.md b/README.md
index 592e337..036339f 100644
--- a/README.md
+++ b/README.md
@@ -1539,7 +1539,7 @@ class MyClass(metaclass=MyMetaClass):
 ```text
 +---------+-------------+
 | classes | metaclasses |
-+---------|-------------|
++---------+-------------|
 | MyClass > MyMetaClass |
 |         |     v       |
 |  object ---> type <+  |
@@ -1552,7 +1552,7 @@ class MyClass(metaclass=MyMetaClass):
 ```text
 +---------+-------------+
 | classes | metaclasses |
-+---------|-------------|
++---------+-------------|
 | MyClass | MyMetaClass |
 |    v    |     v       |
 |  object <--- type     |
diff --git a/parse.js b/parse.js
index e0c09e7..3b19bd7 100755
--- a/parse.js
+++ b/parse.js
@@ -33,7 +33,7 @@ const TOC =
 const DIAGRAM_1_A = 
   '+---------+-------------+\n' +
   '| classes | metaclasses |\n' +
-  '+---------|-------------|\n' +
+  '+---------+-------------|\n' +
   '| MyClass > MyMetaClass |\n' +
   '|         |     v       |\n' +
   '|  object ---> type <+  |\n' +
@@ -55,7 +55,7 @@ const DIAGRAM_1_B =
 const DIAGRAM_2_A =
   '+---------+-------------+\n' +
   '| classes | metaclasses |\n' +
-  '+---------|-------------|\n' +
+  '+---------+-------------|\n' +
   '| MyClass | MyMetaClass |\n' +
   '|    v    |     v       |\n' +
   '|  object <--- type     |\n' +
diff --git a/web/script_2.js b/web/script_2.js
index f0b4175..b9caa2b 100644
--- a/web/script_2.js
+++ b/web/script_2.js
@@ -1,7 +1,7 @@
 const DIAGRAM_1_A = 
   '+---------+-------------+\n' +
   '| classes | metaclasses |\n' +
-  '+---------|-------------|\n' +
+  '+---------+-------------|\n' +
   '| MyClass > MyMetaClass |\n' +
   '|         |     v       |\n' +
   '|  object ---> type <+  |\n' +
@@ -23,7 +23,7 @@ const DIAGRAM_1_B =
 const DIAGRAM_2_A =
   '+---------+-------------+\n' +
   '| classes | metaclasses |\n' +
-  '+---------|-------------|\n' +
+  '+---------+-------------|\n' +
   '| MyClass | MyMetaClass |\n' +
   '|    v    |     v       |\n' +
   '|  object <--- type     |\n' +