diff --git a/workspace/schema/drawio/Renai.drawio b/workspace/schema/drawio/Renai.drawio
index 6b2ea14..6e3f8c5 100644
--- a/workspace/schema/drawio/Renai.drawio
+++ b/workspace/schema/drawio/Renai.drawio
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <mxfile
-  modified="2020-03-25T16:48:19.535Z"
+  modified="2020-03-25T16:51:55.091Z"
   host="Electron"
   agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/12.6.5 Chrome/80.0.3987.86 Electron/8.0.0 Safari/537.36"
-  etag="qUs6rlGU1q2MXnSz6tlW"
+  etag="5JwJVQUg_HQiHdIouPvR"
   version="12.6.5"
   type="device"
   pages="2"
@@ -1994,7 +1994,7 @@
         </mxCell>
         <mxCell
           id="2WsCr9dTwY3IZN_JPgl0-5"
-          value="This entity combines an author of the work with their role in the same."
+          value="This entity combines an author of the work with their roles in the same."
           style="shape=partialRectangle;top=0;left=0;right=0;bottom=1;align=left;verticalAlign=top;fillColor=none;spacingLeft=10;spacingRight=10;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;dropTarget=0;fontSize=10;whiteSpace=wrap;autosize=0;"
           parent="2WsCr9dTwY3IZN_JPgl0-4"
           vertex="1"
@@ -2022,7 +2022,7 @@
         </mxCell>
         <mxCell
           id="2WsCr9dTwY3IZN_JPgl0-8"
-          value="authorRole"
+          value="authorRoles"
           style="shape=partialRectangle;top=0;left=0;right=0;bottom=0;align=left;verticalAlign=top;fillColor=none;spacingLeft=60;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;dropTarget=0;fontSize=12;"
           parent="2WsCr9dTwY3IZN_JPgl0-4"
           vertex="1"
@@ -2169,7 +2169,7 @@
         <mxCell
           id="2WsCr9dTwY3IZN_JPgl0-21"
           value=""
-          style="edgeStyle=entityRelationEdgeStyle;fontSize=12;html=1;endArrow=ERone;startArrow=ERoneToMany;startFill=0;endFill=0;"
+          style="edgeStyle=entityRelationEdgeStyle;fontSize=12;html=1;endArrow=ERzeroToMany;startArrow=ERoneToMany;startFill=0;endFill=1;"
           parent="pIilZBVu6Sjv9dfcfJZ6-1"
           source="2WsCr9dTwY3IZN_JPgl0-8"
           target="2WsCr9dTwY3IZN_JPgl0-16"