[Confluence] Amending Confluence documentation (#1035)

Author: infame-io

docs/confluence.rst

@@ -33,7 +33,7 @@ Get page info
     #                   We can also specify some extensions such as extensions.inlineProperties
     #                   (for getting inline comment-specific properties) or extensions.resolution
     #                   for the resolution status of each comment in the results
-    confluence.get_page_by_id(self, page_id, expand=None, status=None, version=None)
+    confluence.get_page_by_id(page_id, expand=None, status=None, version=None)
 
     # The list of labels on a piece of Content
     confluence.get_page_labels(page_id, prefix=None, start=None, limit=None)
@@ -91,7 +91,7 @@ Page actions
     confluence.update_or_create(parent_id, title, body, representation='storage')
 
     # Append body to page if already exist
-    confluence.append_page(self, page_id, title, append_body, parent_id=None, type='page', representation='storage', minor_edit=False)
+    confluence.append_page(page_id, title, append_body, parent_id=None, type='page', representation='storage', minor_edit=False)
 
     # Set the page (content) property e.g. add hash parameters
     confluence.set_page_property(page_id, data)