diff --git a/Friendica-API.md b/Friendica-API.md
index a48b788..5562777 100644
--- a/Friendica-API.md
+++ b/Friendica-API.md
@@ -180,8 +180,8 @@ Please refer to the linked documentation for further information.
 #### Parameters
 * count: Items per page (default: 20)
 * page: page number
-* since_id 
-* max_id 
+* since_id: minimal id
+* max_id: maximum id
 
 #### Unsupported parameters
 * user_id
@@ -253,7 +253,8 @@ Shows all direct messages of a conversation
 #### Parameters
 * count
 * page 
-* since_id 
+* since_id: minimal id
+* max_id: maximum id
 * getText: Defines the format of the status field. Can be "html" or "plain"
 * uri: URI of the conversation
 
@@ -261,19 +262,18 @@ Shows all direct messages of a conversation
 #### Parameters
 * count
 * page 
-* since_id 
+* since_id: minimal id
+* max_id: maximum id
 * getText: Defines the format of the status field. Can be "html" or "plain"
 
 ### direct_messages/sent
 #### Parameters
 * count
 * page 
-* since_id 
+* since_id: minimal id
+* max_id: maximum id
 * getText: Defines the format of the status field. Can be "html" or "plain"
 
-#### not yet implemented
-* max_id 
-
 #### Unsupported parameters
 * include_entities 
 
@@ -281,12 +281,10 @@ Shows all direct messages of a conversation
 #### Parameters
 * count
 * page 
-* since_id 
+* since_id: minimal id
+* max_id: maximum id
 * getText: Defines the format of the status field. Can be "html" or "plain"
 
-#### not yet implemented
-* max_id 
-
 #### Unsupported parameters
 * include_entities 
 * skip_status