diff --git a/step1-02/exercise/index.html b/step1-02/exercise/index.html
index ee6a337..efdf0e5 100644
--- a/step1-02/exercise/index.html
+++ b/step1-02/exercise/index.html
@@ -5,7 +5,7 @@
   </head>
   <body>
     <header>
-      <h1>todos</h1>
+      <h1>todos - step1-02 exercise</h1>
       <div class="addTodo">
         <input class="textfield" placeholder="add todo" />
         <button class="submit">Add</button>
diff --git a/step1-02/final/index.html b/step1-02/final/index.html
index 951b659..973212c 100644
--- a/step1-02/final/index.html
+++ b/step1-02/final/index.html
@@ -5,7 +5,7 @@
   </head>
   <body>
     <header>
-      <h1>todos</h1>
+      <h1>todos - step1-02 final</h1>
       <div class="addTodo">
         <input class="textfield" placeholder="add todo" />
         <button class="submit">Add</button>
diff --git a/step1-03/demo/index.html b/step1-03/demo/index.html
index 19c8039..4956667 100644
--- a/step1-03/demo/index.html
+++ b/step1-03/demo/index.html
@@ -5,7 +5,7 @@
   </head>
   <body>
     <header>
-      <h1>todos</h1>
+      <h1>todos - step1-03 demo</h1>
       <div class="addTodo">
         <input class="textfield" placeholder="add todo" />
         <button class="submit">Add</button>
diff --git a/step1-03/exercise/index.html b/step1-03/exercise/index.html
index 39816c2..aaee51a 100644
--- a/step1-03/exercise/index.html
+++ b/step1-03/exercise/index.html
@@ -5,7 +5,7 @@
   </head>
   <body>
     <header>
-      <h1>todos</h1>
+      <h1>todos - step1-03 exercise</h1>
       <div class="addTodo">
         <input class="textfield" placeholder="add todo" />
         <button onclick="addTodo()" class="submit">Add</button>
diff --git a/step1-03/final/index.html b/step1-03/final/index.html
index 520bbd2..6d31d4e 100644
--- a/step1-03/final/index.html
+++ b/step1-03/final/index.html
@@ -5,7 +5,7 @@
   </head>
   <body>
     <header>
-      <h1>todos</h1>
+      <h1>todos - step1-03 final</h1>
       <div class="addTodo">
         <input class="textfield" placeholder="add todo" />
         <button onclick="addTodo()" class="submit">Add</button>
diff --git a/step1-05/exercise/src/components/TodoHeader.tsx b/step1-05/exercise/src/components/TodoHeader.tsx
index 15758b7..1ff147c 100644
--- a/step1-05/exercise/src/components/TodoHeader.tsx
+++ b/step1-05/exercise/src/components/TodoHeader.tsx
@@ -4,7 +4,7 @@ export class TodoHeader extends React.Component {
   render() {
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-05 exercise</h1>
         <div className="addTodo">
           <input className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-05/final/src/components/TodoHeader.tsx b/step1-05/final/src/components/TodoHeader.tsx
index 15758b7..16d27f2 100644
--- a/step1-05/final/src/components/TodoHeader.tsx
+++ b/step1-05/final/src/components/TodoHeader.tsx
@@ -4,7 +4,7 @@ export class TodoHeader extends React.Component {
   render() {
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-05 final</h1>
         <div className="addTodo">
           <input className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-06/demo/src/components/TodoHeader.tsx b/step1-06/demo/src/components/TodoHeader.tsx
index 3209be8..dc84015 100644
--- a/step1-06/demo/src/components/TodoHeader.tsx
+++ b/step1-06/demo/src/components/TodoHeader.tsx
@@ -10,7 +10,7 @@ export class TodoHeader extends React.Component<any, any> {
     const { filter } = this.props;
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-06 demo</h1>
         <div className="addTodo">
           <input className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-06/exercise/src/components/TodoHeader.tsx b/step1-06/exercise/src/components/TodoHeader.tsx
index d00d7e2..b737027 100644
--- a/step1-06/exercise/src/components/TodoHeader.tsx
+++ b/step1-06/exercise/src/components/TodoHeader.tsx
@@ -11,7 +11,7 @@ export class TodoHeader extends React.Component<any, any> {
 
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-06 exercise</h1>
         <div className="addTodo">
           <input value={this.state.labelInput} onChange={this._onChange} className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-06/final/src/components/TodoHeader.tsx b/step1-06/final/src/components/TodoHeader.tsx
index 4f12939..c3c9fb5 100644
--- a/step1-06/final/src/components/TodoHeader.tsx
+++ b/step1-06/final/src/components/TodoHeader.tsx
@@ -11,7 +11,7 @@ export class TodoHeader extends React.Component<any, any> {
 
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-06 final</h1>
         <div className="addTodo">
           <input value={this.state.labelInput} onChange={this._onChange} className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-07/demo/src/components/TodoHeader.tsx b/step1-07/demo/src/components/TodoHeader.tsx
index ff44a4e..adde668 100644
--- a/step1-07/demo/src/components/TodoHeader.tsx
+++ b/step1-07/demo/src/components/TodoHeader.tsx
@@ -11,7 +11,7 @@ export class TodoHeader extends React.Component<any, any> {
     const { filter } = this.props;
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-07 demo</h1>
         <div className="addTodo">
           <input value={this.state.labelInput} onChange={this._onChange} className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-07/exercise/src/components/TodoHeader.tsx b/step1-07/exercise/src/components/TodoHeader.tsx
index d5dbe48..91491f8 100644
--- a/step1-07/exercise/src/components/TodoHeader.tsx
+++ b/step1-07/exercise/src/components/TodoHeader.tsx
@@ -11,7 +11,7 @@ export class TodoHeader extends React.Component<any, any> {
     const { filter } = this.props;
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-07 exercise</h1>
         <div className="addTodo">
           <input value={this.state.labelInput} onChange={this._onChange} className="textfield" placeholder="add todo" />
           <button className="submit">Add</button>
diff --git a/step1-07/final/src/components/TodoHeader.tsx b/step1-07/final/src/components/TodoHeader.tsx
index b3c83ea..074e30e 100644
--- a/step1-07/final/src/components/TodoHeader.tsx
+++ b/step1-07/final/src/components/TodoHeader.tsx
@@ -21,7 +21,7 @@ export class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState
     const { filter, setFilter } = this.props;
     return (
       <header>
-        <h1>todos</h1>
+        <h1>todos - step1-07 final</h1>
         <div className="addTodo">
           <input value={this.state.labelInput} onChange={this._onChange} className="textfield" placeholder="add todo" />
           <button onClick={this._onAdd} className="submit">
diff --git a/step2-02/demo/src/components/TodoHeader.tsx b/step2-02/demo/src/components/TodoHeader.tsx
index d6029b1..8e9b5cb 100644
--- a/step2-02/demo/src/components/TodoHeader.tsx
+++ b/step2-02/demo/src/components/TodoHeader.tsx
@@ -22,7 +22,7 @@ export class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState
     return (
       <Stack>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-02 demo</Text>
         </Stack>
 
         <Stack horizontal>
diff --git a/step2-02/exercise/src/components/TodoHeader.tsx b/step2-02/exercise/src/components/TodoHeader.tsx
index 602f315..7d0d766 100644
--- a/step2-02/exercise/src/components/TodoHeader.tsx
+++ b/step2-02/exercise/src/components/TodoHeader.tsx
@@ -5,7 +5,7 @@ export class TodoHeader extends React.Component<{}, {}> {
   render() {
     return (
       <div>
-        <h1>todos</h1>
+        <h1>todos - step2-02 exercise</h1>
         <input className="textfield" placeholder="add todo" />
         <button className="button add">Add</button>
         <div className="filter">
diff --git a/step2-03/demo/src/components/TodoHeader.tsx b/step2-03/demo/src/components/TodoHeader.tsx
index e92f9be..3e432f2 100644
--- a/step2-03/demo/src/components/TodoHeader.tsx
+++ b/step2-03/demo/src/components/TodoHeader.tsx
@@ -22,7 +22,7 @@ export class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-03 demo</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-03/exercise/src/components/TodoHeader.tsx b/step2-03/exercise/src/components/TodoHeader.tsx
index 511dc1e..422675f 100644
--- a/step2-03/exercise/src/components/TodoHeader.tsx
+++ b/step2-03/exercise/src/components/TodoHeader.tsx
@@ -22,7 +22,7 @@ export class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-03 exercise</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-07/demo/src/components/TodoHeader.tsx b/step2-07/demo/src/components/TodoHeader.tsx
index 56ce281..171cf06 100644
--- a/step2-07/demo/src/components/TodoHeader.tsx
+++ b/step2-07/demo/src/components/TodoHeader.tsx
@@ -22,7 +22,7 @@ class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState> {
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-07 demo</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-07/exercise/src/components/TodoHeader.tsx b/step2-07/exercise/src/components/TodoHeader.tsx
index ff9f329..6a410af 100644
--- a/step2-07/exercise/src/components/TodoHeader.tsx
+++ b/step2-07/exercise/src/components/TodoHeader.tsx
@@ -23,7 +23,7 @@ export class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-07 exercise</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-08/demo/src/components/TodoHeader.tsx b/step2-08/demo/src/components/TodoHeader.tsx
index 280baff..ec5b351 100644
--- a/step2-08/demo/src/components/TodoHeader.tsx
+++ b/step2-08/demo/src/components/TodoHeader.tsx
@@ -24,7 +24,7 @@ class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState> {
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-08 demo</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-08/exercise/src/components/TodoHeader.tsx b/step2-08/exercise/src/components/TodoHeader.tsx
index 04e9aab..c0de11c 100644
--- a/step2-08/exercise/src/components/TodoHeader.tsx
+++ b/step2-08/exercise/src/components/TodoHeader.tsx
@@ -24,7 +24,7 @@ class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState> {
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-08 exercise</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-09/demo/src/components/TodoHeader.tsx b/step2-09/demo/src/components/TodoHeader.tsx
index d2c0b7e..943a6d0 100644
--- a/step2-09/demo/src/components/TodoHeader.tsx
+++ b/step2-09/demo/src/components/TodoHeader.tsx
@@ -24,7 +24,7 @@ class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState> {
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-09 demo</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
diff --git a/step2-09/exercise/src/components/TodoHeader.tsx b/step2-09/exercise/src/components/TodoHeader.tsx
index d2c0b7e..c885b88 100644
--- a/step2-09/exercise/src/components/TodoHeader.tsx
+++ b/step2-09/exercise/src/components/TodoHeader.tsx
@@ -24,7 +24,7 @@ class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState> {
     return (
       <Stack gap={10}>
         <Stack horizontal horizontalAlign="center">
-          <Text variant="xxLarge">todos</Text>
+          <Text variant="xxLarge">todos - step2-09 exercise</Text>
         </Stack>
 
         <Stack horizontal gap={10}>
