diff --git a/Friendica-API.md b/Friendica-API.md
index d9b77a3..d632cf7 100644
--- a/Friendica-API.md
+++ b/Friendica-API.md
@@ -34,6 +34,7 @@ Please refer to the linked documentation for further information.
 * lat: latitude
 * long: longitude
 * media: image data
+* source: Application name
 
 #### Unsupported parameters
 * include_entities
@@ -50,6 +51,7 @@ Please refer to the linked documentation for further information.
 * lat: latitude
 * long: longitude
 * media: image data
+* source: Application name
 
 #### Unsupported parameters
 * include_entities