diff --git a/packages/backend/src/modules/collection/README.md b/packages/backend/src/modules/collection/README.md
index 1c1b000..7b3b97c 100644
--- a/packages/backend/src/modules/collection/README.md
+++ b/packages/backend/src/modules/collection/README.md
@@ -4,14 +4,27 @@
 
 {
    "id":"String",
-   "user_id":"String",
-   "date_time":"Date",
-   "url":"String"
+   "title":"String", *
+   "questions_id":["String"], *
+   "exams_id":["String"], *
+   "owner_id":"String", *
+   "shared_with": ["String"], *
+   "created_at":"Date", *
+   "updated_at":"Date", *
+   "superior_collection": "Collection", *
+   "inferior_collections": "Collection", *
+   "url":"String" *?
 }
 
 ```
 
 ### Method 
 
-- Record browsing history
-- Clear browsing history
\ No newline at end of file
+- Create Collection *
+- Update Collection *
+- Delete Collection *
+- Share Collection *
+- Import Collection *
+- Export Collection *
+- Add Search to Collection *
+
diff --git a/packages/backend/src/modules/exam/README.md b/packages/backend/src/modules/exam/README.md
index b6f659f..99e837e 100644
--- a/packages/backend/src/modules/exam/README.md
+++ b/packages/backend/src/modules/exam/README.md
@@ -5,7 +5,7 @@
 {
    "id":"String",
    "title":"String",
-   "header": {"logo" : "Image",
+   "header": {"logo" : "String",
               "institution": "String",
               "department": "String",
               "grade": "String",
@@ -19,14 +19,15 @@
               "location": "String"
               },
    "candidate": {"name": "String",
-                   "registration_number": "String",
-                   "signature": "String"},
+                 "registration_number": "String",
+                 "signature": "String"},
    "instructions": "String",
-   "value":"Number",
+   "maximum_mark":"Number",
    "owner_id":"String",
    "timeout_to_completion":{
+      "duration":"Time",
       "start_time":"Time",
-      "end_time":"Time",
+      "end_time": "Time",
       "start_date":"Date",
       "end_date":"Date"
    },
diff --git a/packages/backend/src/modules/marker/README.md b/packages/backend/src/modules/marker/README.md
index 554923b..bdd00d0 100644
--- a/packages/backend/src/modules/marker/README.md
+++ b/packages/backend/src/modules/marker/README.md
@@ -8,19 +8,24 @@
    "color":"String",
    "owner_id":"String",
    "questions_id":["String"],
-   "urls":["String"],
+   "urls":["String"], *?
    "exams_id":["String"],
    "created_at":"Date",
    "updated_at":"Date",
+   "shared_with": ["String"], *
+   "superior_markers": "Marker", *
+   "inferior_markers": "Marker" *
 }
 
 ```
-
 ### Methods 
 
-- Add question to marker
-- Add url to marker 
-- Add exam to marker
-- Remove question from marker
-- Remove url from marker 
-- Remove exam from marker
\ No newline at end of file
+- Create Marker *
+- Update Marker *
+- Delete Marker *
+- Share Marker *
+- Import Marker *
+- Export Marker *
+- Add question to marker *
+- Add exam to marker *
+- Add url to marker *?
diff --git a/packages/backend/src/modules/question/README.md b/packages/backend/src/modules/question/README.md
index 2857b57..d50459d 100644
--- a/packages/backend/src/modules/question/README.md
+++ b/packages/backend/src/modules/question/README.md
@@ -10,6 +10,7 @@
    "is_public":"Boolean",
    "comments_id":["String"],
    "tags": ["String"],
+   "keywords": ["string"],
    "alternatives":[
       {
          "id":"String",
@@ -21,9 +22,9 @@
          "position_fixed": "Boolean"
       }
    ],
-   "archived": "Boolean",
    "created_at":"Date",
    "updated_at":"Date",
+   "archived": "Boolean"
 }
 
 ```