diff --git a/index.html b/index.html
index e50bfab..f5fca50 100644
--- a/index.html
+++ b/index.html
@@ -124,6 +124,19 @@
                             Press (1x) ⌨️<img src="src/images/icons/keyboard_arrow_up.png" valign="bottom"/>, 🎮<img src="src/images/icons/gamepad_a.png" valign="bottom"/> or 📱touch to start skiing and see you at the finish line !<br>
                             ⚠️ Don't miss a gate or you'll receive a penalty of 3 seconds
                         </p>
+                        <div class="section-subtitle">Game setup</div>
+                        <p>
+                            You can access to specific game setup by clicking the ⚙️ on the top right in menus<br>
+                            Here you can enable or disable few settings for your race :
+                        </p>
+                        <ul>
+                            <li>🔊 Sounds</li>
+                            <li>🧑‍🤝‍🧑 Spectators (can affect performance)</li>
+                            <li>👻 Ghosts (can affect performance)</li>
+                        </ul>
+                        <p>
+                            You also have the possibility to reset and restore the game to the default content (tracks, ghosts & record).
+                        </p>
                         <div class="section-title">💡 Tips</div>
                         <div class="section-subtitle">Preloaded tracks</div>
                         <p>By default the game provides 5 tracks, so you can use the same track as your friends even on a different setup.</p>
@@ -145,6 +158,15 @@
                             RetroSki use localStorage to persist generated tracks and records.<br>
                             You can easily export them and share them with friends by using the browser developper tools.
                         </p>
+                        <div class="section-subtitle">Performance</div>
+                        <p>
+                            Retroski should be playable on any modern device with an updated browser.<br>
+                            In case of performance trouble, you can try to disable via the game setup the display of spectators and ghosts during the race.
+                        </p>
+                        <div class="section-subtitle">Crash</div>
+                        <p>
+                            If your game crash, try to reset & erase all content via the game setup menu to reload original content.
+                        </p>
                         <div class="table-container">
                             <table>
                                 <tr>
diff --git a/package.json b/package.json
index f4dac4b..c7820a5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "retroski",
-	"version": "0.6.0",
+	"version": "0.7.0",
 	"description": "Retro ski game",
 	"main": "index.js",
 	"scripts": {
diff --git a/readme.md b/readme.md
index 8199978..ad019be 100644
--- a/readme.md
+++ b/readme.md
@@ -81,15 +81,27 @@ Here you have to provide few informations before starting to ride :
 3. Name of the first player
 4. Name of the second player
 5. Number of races (1 to 10 is recommended)
+
 ### Event manager
 This screen is the home place before and after each race.<br>
 It provides informations about the current event.
+
 ### Race
 You made it to the top of the hill !<br>
 Now it's time to have fun and enjoy some nice carving !<br><br>
 Press (1x) ⌨️<img src="src/images/icons/keyboard_arrow_up.png" valign="bottom"/>, 🎮<img src="src/images/icons/gamepad_a.png" valign="bottom"/> or 📱touch to start skiing and see you at the finish line !<br>
 ⚠️ Don't miss a gate or you'll receive a penalty of <b>3 seconds</b>
 
+### Game setup
+You can access to specific game setup by clicking the ⚙️ on the top right in menus<br>
+Here you can enable or disable few settings for your race :
+<ul>
+  <li>🔊 Sounds</li>
+  <li>🧑‍🤝‍🧑 Spectators (can affect performance)</li>
+  <li>👻 Ghosts (can affect performance)</li>
+</ul>
+You also have the possibility to reset and restore the game to the default content (tracks, ghosts & record).
+
 ## 💡 Tips
 ### Preloaded tracks
 By default the game provides 5 tracks, so you can use the same track as your friends even on a different setup.
@@ -125,6 +137,13 @@ By default ghost mode is activated and you can see your best times while racing<
   </tr>
 </table>
 
+### Performance
+Retroski should be playable on any modern device with an updated browser.<br>
+In case of performance trouble, you can try to disable via the game setup the display of spectators and ghosts during the race.
+
+### Crash
+If your game crash, try to reset & erase all content via the game setup menu to reload original content.
+
 ## 👷‍♂️ What's next ?
 <a href="roadmap.md">Draft of a roadmap</a>
 
diff --git a/roadmap.md b/roadmap.md
index b745215..3419bcd 100644
--- a/roadmap.md
+++ b/roadmap.md
@@ -5,10 +5,10 @@
 - ✔️ ~~Add intro/help page to provide basic informations in-game~~
 - ✔️ ~~Improve track and style selection interface to show already generated track and lock style choice~~
 - ✔️ ~~Support controller (joystick + 3 buttons)~~
-- ✔️~~Add starting gate~~
+- ✔️ ~~Add starting gate~~
 - ✔️ ~~Improve finish gate~~
-- ✔️~~Rework zooming effect to improve graphics~~
-- Add spectator and objects
+- ✔️ ~~Rework zooming effect to improve graphics~~
+- ✔️ ~~Add spectator and objects~~
 - ✔️ ~~Add sector time and metadata on ghosts to display during the race~~
 - ✔️ ~~Provide by default one ghost with each default track~~
 - ✔️ ~~Prefilled interface with data from localStorage (player 1, player 2)~~
diff --git a/src/scss/game.scss b/src/scss/game.scss
index f130ba4..9a77f5c 100644
--- a/src/scss/game.scss
+++ b/src/scss/game.scss
@@ -149,7 +149,7 @@ html body {
                 font-size: 0.7rem;
             }
 
-            ol {
+            ol, ul {
                 padding-top: 0;
                 padding-bottom: 0;
                 margin: 0;