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index 54388b2..aee3cce 100644
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diff --git a/docs/er-diagrams/index-17.svg b/docs/er-diagrams/index-17.svg
index 54da241..345cbc6 100644
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\ No newline at end of file
diff --git a/er-diagrams.md b/er-diagrams.md
index 23e1e05..460321a 100644
--- a/er-diagrams.md
+++ b/er-diagrams.md
@@ -719,7 +719,7 @@ Container {
     uriorcurie iri  
     stringList data  
 }
-BasicMetadata {
+GraphMetadata {
     string title  
     string description  
     uriorcurieList created_by  
@@ -731,7 +731,7 @@ BasicMetadata {
     uriorcurie derived_from  
 }
 
-Container ||--|o BasicMetadata : "metadata"
+Container ||--|o GraphMetadata : "metadata"
 
 ```
 
@@ -1209,7 +1209,7 @@ Container {
     uriorcurie iri  
     stringList data  
 }
-BasicMetadata {
+VocabMetadata {
     string title  
     string description  
     uriorcurieList created_by  
@@ -1221,7 +1221,7 @@ BasicMetadata {
     uriorcurie derived_from  
 }
 
-Container ||--|o BasicMetadata : "metadata"
+Container ||--|o VocabMetadata : "metadata"
 
 ```