Fix a couple more tables.
@@ -175,7 +175,7 @@ Right input file:
Output file after joining on `node1`:
| node1 | label | node2 | color | size |
-| ----- | ----- | ----- | ----- |
+| ----- | ----- | ----- | ----- | --- |
| block1 | isa | block| | |
| block1 | type | cube | red | |
| block1 | isa | block| | |
@@ -185,7 +185,7 @@ Output file after joining on `node1`:
edges and compact the additional columns after the join:
| node1 | label | node2 | color | size |
-| ----- | ----- | ----- | ----- |
+| ----- | ----- | ----- | ----- | --- |
| block1 | isa | block| | |
| block1 | type | cube | red | large |
