diff --git a/README.md b/README.md
index 3a1f13d..020bab5 100644
--- a/README.md
+++ b/README.md
@@ -1138,10 +1138,10 @@ class MyAbcSequence(collections.abc.Sequence):
         return self.a[i]
 ```
 
-#### Table of provided methods:
+#### Table of the methods that each (duck) type provides:
 ```text
 +------------+----------+------------+----------+--------------+
-|            | iterable | collection | sequence | abc.Sequence |
+|            | Iterable | Collection | Sequence | abc.Sequence |
 +------------+----------+------------+----------+--------------+
 | iter()     |   yes    |    yes     |   yes    |     yes      |
 | len()      |          |    yes     |   yes    |     yes      |
diff --git a/index.html b/index.html
index 1f00f4b..8f19505 100644
--- a/index.html
+++ b/index.html
@@ -1070,9 +1070,9 @@ Z = dataclasses.make_dataclass(<span class="hljs-string">'Z'</span>, [<span clas
     <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">__getitem__</span><span class="hljs-params">(self, i)</span>:</span>
         <span class="hljs-keyword">return</span> self.a[i]
 </code></pre>
-<h4 id="tableofprovidedmethods">Table of provided methods:</h4>
+<h4 id="tableofthemethodsthateachducktypeprovides">Table of the methods that each (duck) type provides:</h4>
 <pre><code class="text language-text">┏━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━━━┓
-┃            │ iterable │ collection │ sequence │ abc.Sequence ┃
+┃            │ Iterable │ Collection │ Sequence │ abc.Sequence ┃
 ┠────────────┼──────────┼────────────┼──────────┼──────────────┨
 ┃ iter()     │    ✓     │     ✓      │    ✓     │      ✓       ┃
 ┃ len()      │          │     ✓      │    ✓     │      ✓       ┃
diff --git a/parse.js b/parse.js
index e0ba51f..ffc7cb5 100755
--- a/parse.js
+++ b/parse.js
@@ -142,7 +142,7 @@ const DIAGRAM_5_B =
 
 const DIAGRAM_6_A =
   '+------------+----------+------------+----------+--------------+\n' +
-  '|            | iterable | collection | sequence | abc.Sequence |\n' +
+  '|            | Iterable | Collection | Sequence | abc.Sequence |\n' +
   '+------------+----------+------------+----------+--------------+\n' +
   '| iter()     |   yes    |    yes     |   yes    |     yes      |\n' +
   '| len()      |          |    yes     |   yes    |     yes      |\n' +
@@ -152,7 +152,7 @@ const DIAGRAM_6_A =
 
 const DIAGRAM_6_B =
   '┏━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━━━┓\n' +
-  '┃            │ iterable │ collection │ sequence │ abc.Sequence ┃\n' +
+  '┃            │ Iterable │ Collection │ Sequence │ abc.Sequence ┃\n' +
   '┠────────────┼──────────┼────────────┼──────────┼──────────────┨\n' +
   '┃ iter()     │    ✓     │     ✓      │    ✓     │      ✓       ┃\n' +
   '┃ len()      │          │     ✓      │    ✓     │      ✓       ┃\n' +
diff --git a/web/script_2.js b/web/script_2.js
index 22cdc65..c12755e 100644
--- a/web/script_2.js
+++ b/web/script_2.js
@@ -110,7 +110,7 @@ const DIAGRAM_5_B =
 
 const DIAGRAM_6_A =
   '+------------+----------+------------+----------+--------------+\n' +
-  '|            | iterable | collection | sequence | abc.Sequence |\n' +
+  '|            | Iterable | Collection | Sequence | abc.Sequence |\n' +
   '+------------+----------+------------+----------+--------------+\n' +
   '| iter()     |   yes    |    yes     |   yes    |     yes      |\n' +
   '| len()      |          |    yes     |   yes    |     yes      |\n' +
@@ -120,7 +120,7 @@ const DIAGRAM_6_A =
 
 const DIAGRAM_6_B =
   '┏━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━━━┓\n' +
-  '┃            │ iterable │ collection │ sequence │ abc.Sequence ┃\n' +
+  '┃            │ Iterable │ Collection │ Sequence │ abc.Sequence ┃\n' +
   '┠────────────┼──────────┼────────────┼──────────┼──────────────┨\n' +
   '┃ iter()     │    ✓     │     ✓      │    ✓     │      ✓       ┃\n' +
   '┃ len()      │          │     ✓      │    ✓     │      ✓       ┃\n' +