diff --git a/docs/_files_and_protocol/bible-file.md b/docs/_files_and_protocol/bible-file.md
index 2107d91..118c3be 100644
--- a/docs/_files_and_protocol/bible-file.md
+++ b/docs/_files_and_protocol/bible-file.md
@@ -13,19 +13,12 @@ JohnCG comes by default with two bible-files:
 The books are divided into groups (e. g. "Law" or "Gospels") and those groups into parts (e. g. "Old Testament" or "New Testament").  
 The group- and part-names aren't predefined and can be changed - for example for localization.
 
-# Structure
+# File-Structure
 A bible-file is a JSON-file with the file-ending changed to `*.bbl`.
 
 ## `name`
 Name of the bible-version
 
-## `version`
-The version of the bible-file - it's based on semantic versioning:[^1]
-
-The first number indicates the layout-version of the file and is incremented whenever there are changes that are not backwards compatible.  
-The second number is incremented when the content gets (planned) changes.  
-The third number is incremented when bugs get fixed.
-
 ## `parts`
 This object defines different parts of the bible like *Old Testament* or *New Testament*.
 The count and name of parts can be freely chosen - only duplicates are forbidden.
@@ -38,11 +31,17 @@ A section groups multiple books together, for example the Gospels.
 A book is defined by its name, abbreviation (called `id`) and an array of the chapters.  
 The chapters-array has an entry for every chapter with the amount of verses it has.
 
-## Example
+## `version`
+The version of the bible-file - it's based on semantic versioning[^1]:
+
+The first number indicates the layout-version of the file and is incremented whenever there are changes that are not backwards compatible.  
+The second number is incremented when the content gets (planned) changes.  
+The third number is incremented when bugs get fixed.
+
+# Example
 ```json
 {
     "name": "King James Version",
-    "version": "1.0.0",
     "parts": {
         "Old Testament": [
             {
@@ -61,7 +60,8 @@ The chapters-array has an entry for every chapter with the amount of verses it h
                 ]
             }
         ]
-    }
+    },
+    "version": "1.0.0"
 }
 ```
 
diff --git a/docs/_files_and_protocol/psalm-file.md b/docs/_files_and_protocol/psalm-file.md
index bfa940d..92cbb1a 100644
--- a/docs/_files_and_protocol/psalm-file.md
+++ b/docs/_files_and_protocol/psalm-file.md
@@ -2,4 +2,69 @@
 title: Psalm file (*.psm)
 layout: page
 nav_order: 3
----
\ No newline at end of file
+---
+# Psalm file (`*.psm`)
+A psalm-file stores the content of a psalm for using it in a playlist.
+
+# File-Structure
+A psalm-file is a JSON-file with the file-ending changed to `*.psm`.
+
+## `metadata`
+The metadata block defnies all information of the psalm that aren't the text itself.
+
+### caption
+Title of the psalm
+
+### `id` (optional)
+Number of the psalm in the songbook / hymnal.
+
+### `book` (optional)
+Name of the songbook or hymnal.
+
+Currently unused
+
+### `indent` (optional)
+Sets wether every second verse should be indented or not.
+
+## `text`
+A three-dimensional array with the text split into slides, verses, lines.
+
+## `version`
+The version of the bible-file - it's based on semantic versioning[^1]:
+
+The first number indicates the layout-version of the file and is incremented whenever there are changes that are not backwards compatible.  
+The second number is incremented when the content gets (planned) changes.  
+The third number is incremented when bugs get fixed.
+
+# Example
+```json
+{
+    "metadata": {
+        "caption": "Psalm x",
+        "id": "EG x",
+        "book": "Evangelisches Gesangsbuch",
+        "indent": true
+    },
+    "text": [
+        [
+            [
+                "first line of the first verse on the the first slide",
+                "second line of the first verse on the the first slide"
+            ],
+            [
+                "first line of the second verse on the the first slide",
+                "second line of the second verse on the the first slide"
+            ]
+        ],
+        [
+            [
+                "first line of the thirds verse on the the second slide",
+                "second line of the thirds verse on the the second slide"
+            ]
+        ]
+    ],
+    "version": "1.0.0"
+}
+```
+
+[^1]: [https://semver.org](https://semver.org)
\ No newline at end of file