diff --git a/src/Doc/Steps/db.md b/src/Doc/Steps/db.md
index a1b1b38..9f83db3 100644
--- a/src/Doc/Steps/db.md
+++ b/src/Doc/Steps/db.md
@@ -139,16 +139,10 @@ The visibility ratio is the ratio of the visibility bounding box area over the f
 
 ## Save data
 
-The screenshot is then saved, along with a matching JSON file containing the collected data about openings, the seed and the camera information. The JSON file is structured as follows:
+The screenshot is then saved, along with a matching JSON file containing the collected data about each visible openings and the camera information. The JSON file is structured as follows:
 
 ```json
 {
-  "SeedsData": {
-    "DatabaseSeed": 522732214,
-    "RoomsSeed": -320021519,
-    "OpeningsSeed": 723920686,
-    "ObjectsSeed": 1119647337
-  },
   "CameraData": {
     "FieldOfView": 52.2338448,
     "NearClipPlane": 0.3,
@@ -210,4 +204,5 @@ The screenshot is then saved, along with a matching JSON file containing the col
 }
 ```
 
-A JSON is also created for each room, containing the seeds, the room's dimensions, the generation's time and the placement data. 
\ No newline at end of file
+A JSON is also created for each room, containing the seeds, the room's dimensions, the generation's time and the placement data. 
+The seeds can be used to reproduce random generation. 
\ No newline at end of file
diff --git a/src/Doc/roadmap.md b/src/Doc/roadmap.md
new file mode 100644
index 0000000..437766d
--- /dev/null
+++ b/src/Doc/roadmap.md
@@ -0,0 +1 @@
+# Roadmap
diff --git a/src/Doc/testing.md b/src/Doc/testing.md
new file mode 100644
index 0000000..94cfd7d
--- /dev/null
+++ b/src/Doc/testing.md
@@ -0,0 +1 @@
+# Testing
\ No newline at end of file
diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 6767838..8a2b182 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -1,6 +1,6 @@
 # Summary
 
-[Introduction](./intro.md)
+[User guide](./intro.md)
 
 # Technical documentation
 
@@ -12,6 +12,6 @@
         - [Props placement](./Doc/./Steps/props.md)
         - [Data recovery](./Doc/./Steps/db.md)
 
-# Testing
+- [Testing](./Testing/testing.md)
 
-# Roadmap
\ No newline at end of file
+- [Roadmap](./Roadmap/roadmap.md)
\ No newline at end of file
diff --git a/src/intro.md b/src/intro.md
index 2352ce5..a95513d 100644
--- a/src/intro.md
+++ b/src/intro.md
@@ -47,12 +47,6 @@ When applying new settings, a preset file is created and can then be selected to
 Each screenshot is matched with a Json containing info about the room, the seeds, the camera settings and about each opening in the image, namely doors and windows. Here is an example : 
 ```js
 {
-  "SeedsData": {
-    "DatabaseSeed": 522732214,
-    "RoomsSeed": -320021519,
-    "OpeningsSeed": 723920686,
-    "ObjectsSeed": 1119647337
-  },
   "CameraData": {
     "FieldOfView": 52.2338448,
     "NearClipPlane": 0.3,