diff --git a/README.md b/README.md
index d08ae7f..3fc41db 100644
--- a/README.md
+++ b/README.md
@@ -1146,7 +1146,7 @@ class Counter:
 ```
 
 #### Python has many different iterator objects:
-* **Iterators returned by the [iter()](#iterator) function, such as list\_iterator and set\_iterator.**
+* **Objects returned by the [iter()](#iterator) function, such as list\_iterator and set\_iterator.**
 * **Objects returned by the [itertools](#itertools) module, such as count, repeat and cycle.**
 * **Generators returned by the [generator functions](#generator) and [generator expressions](#comprehension).**
 * **File objects returned by the [open()](#open) function, etc.**
@@ -1404,7 +1404,6 @@ BaseException
  +-- SystemExit                   # Raised by the sys.exit() function.
  +-- KeyboardInterrupt            # Raised when the user hits the interrupt key (ctrl-c).
  +-- Exception                    # User-defined exceptions should be derived from this class.
-      +-- StopIteration           # Raised by next() when run on an empty iterator.
       +-- ArithmeticError         # Base class for arithmetic errors.
       |    +-- ZeroDivisionError  # Raised when dividing by zero.
       +-- AttributeError          # Raised when an attribute is missing.
@@ -1417,6 +1416,7 @@ BaseException
       |    +-- FileNotFoundError  # When a file or directory is requested but doesn't exist.
       +-- RuntimeError            # Raised by errors that don't fall in other categories.
       |    +-- RecursionError     # Raised when the maximum recursion depth is exceeded.
+      +-- StopIteration           # Raised by next() when run on an empty iterator.
       +-- TypeError               # Raised when an argument is of wrong type.
       +-- ValueError              # When an argument is of right type but inappropriate value.
            +-- UnicodeError       # Raised when encoding/decoding strings from/to bytes fails.
diff --git a/index.html b/index.html
index fa7ad5f..3472698 100644
--- a/index.html
+++ b/index.html
@@ -1093,7 +1093,7 @@ Z = dataclasses.make_dataclass(<span class="hljs-string">'Z'</span>, [<span clas
 (<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>)
 </code></pre>
 <div><h4 id="pythonhasmanydifferentiteratorobjects">Python has many different iterator objects:</h4><ul>
-<li><strong>Iterators returned by the <a href="#iterator">iter()</a> function, such as list_iterator and set_iterator.</strong></li>
+<li><strong>Objects returned by the <a href="#iterator">iter()</a> function, such as list_iterator and set_iterator.</strong></li>
 <li><strong>Objects returned by the <a href="#itertools">itertools</a> module, such as count, repeat and cycle.</strong></li>
 <li><strong>Generators returned by the <a href="#generator">generator functions</a> and <a href="#comprehension">generator expressions</a>.</strong></li>
 <li><strong>File objects returned by the <a href="#open">open()</a> function, etc.</strong></li>
@@ -1318,7 +1318,6 @@ error_msg   = traceback.format_exception(exc_type, &lt;name&gt;, &lt;name&gt;.__
  +-- SystemExit                   # Raised by the sys.exit() function.
  +-- KeyboardInterrupt            # Raised when the user hits the interrupt key (ctrl-c).
  +-- Exception                    # User-defined exceptions should be derived from this class.
-      +-- StopIteration           # Raised by next() when run on an empty iterator.
       +-- ArithmeticError         # Base class for arithmetic errors.
       |    +-- ZeroDivisionError  # Raised when dividing by zero.
       +-- AttributeError          # Raised when an attribute is missing.
@@ -1331,6 +1330,7 @@ error_msg   = traceback.format_exception(exc_type, &lt;name&gt;, &lt;name&gt;.__
       |    +-- FileNotFoundError  # When a file or directory is requested but doesn't exist.
       +-- RuntimeError            # Raised by errors that don't fall in other categories.
       |    +-- RecursionError     # Raised when the maximum recursion depth is exceeded.
+      +-- StopIteration           # Raised by next() when run on an empty iterator.
       +-- TypeError               # Raised when an argument is of wrong type.
       +-- ValueError              # When an argument is of right type but inappropriate value.
            +-- UnicodeError       # Raised when encoding/decoding strings from/to bytes fails.
diff --git a/web/script_2.js b/web/script_2.js
index 7db1bd1..2a41d3f 100644
--- a/web/script_2.js
+++ b/web/script_2.js
@@ -168,7 +168,6 @@ const DIAGRAM_8_B =
   " ├── SystemExit                   <span class='hljs-comment'># Raised by the sys.exit() function.</span>\n" +
   " ├── KeyboardInterrupt            <span class='hljs-comment'># Raised when the user hits the interrupt key (ctrl-c).</span>\n" +
   " └── Exception                    <span class='hljs-comment'># User-defined exceptions should be derived from this class.</span>\n" +
-  "      ├── StopIteration           <span class='hljs-comment'># Raised by next() when run on an empty iterator.</span>\n" +
   "      ├── ArithmeticError         <span class='hljs-comment'># Base class for arithmetic errors.</span>\n" +
   "      │    └── ZeroDivisionError  <span class='hljs-comment'># Raised when dividing by zero.</span>\n" +
   "      ├── AttributeError          <span class='hljs-comment'># Raised when an attribute is missing.</span>\n" +
@@ -181,6 +180,7 @@ const DIAGRAM_8_B =
   "      │    └── FileNotFoundError  <span class='hljs-comment'># When a file or directory is requested but doesn't exist.</span>\n" +
   "      ├── RuntimeError            <span class='hljs-comment'># Raised by errors that don't fall in other categories.</span>\n" +
   "      │    └── RecursionError     <span class='hljs-comment'># Raised when the maximum recursion depth is exceeded.</span>\n" +
+  "      ├── StopIteration           <span class='hljs-comment'># Raised by next() when run on an empty iterator.</span>\n" +
   "      ├── TypeError               <span class='hljs-comment'># Raised when an argument is of wrong type.</span>\n" +
   "      └── ValueError              <span class='hljs-comment'># When an argument is of right type but inappropriate value.</span>\n" +
   "           └── UnicodeError       <span class='hljs-comment'># Raised when encoding/decoding strings from/to bytes fails.</span>\n";