Add comment about throwing away read-only for renamed documents

src/document.c

@@ -1655,6 +1655,7 @@ gboolean document_save_file_as(GeanyDocument *doc, const gchar *utf8_fname)
 
 	if (new_file)
 	{
+		// assume user wants to throw away read-only setting
 		sci_set_readonly(doc->editor->sci, FALSE);
 		doc->readonly = FALSE;
 		if (doc->priv->protected > 0)

src/documentprivate.h

@@ -93,7 +93,7 @@ typedef struct GeanyDocumentPrivate
 	time_t			 mtime;
 	/* ID of the idle callback updating the tag list */
 	guint			 tag_list_update_source;
-	/* Whether it's temoporarily protected (read-only and saving is prevented). Does
+	/* Whether it's temporarily protected (read-only and saving needs confirmation). Does
 	 * not imply doc->readonly as writable files can be protected */
 	gint			 protected;
 	/* Save pointer to info bars allowing to cancel them programatically (to avoid multiple ones) */