fix references to the images

match/exercises/3_attributes/README.md

@@ -6,4 +6,7 @@ Images included in this collection:
 
 | File name | Description |
 | --- | --- |
-| [Matchgrid_Records.png](https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/1_get-to-know/Matchgrid_Records.png?raw=true) | Screenshot of Matchgrid without Records. <img src="https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/1_get-to-know/Matchgrid_Records.png?raw=true" alt="Screenshot of Matchgrid without Records" title="Screenshot of Matchgrid without Records." /> |
+| [Matchgrid_Records.png](https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/Matchgrid_Records.png?raw=true) | Screenshot of Matchgrid without Records. <img src="https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/Matchgrid_Records.png?raw=true" alt="Screenshot of Matchgrid without Records" title="Screenshot of Matchgrid without Records." /> |
+| [no_Isa_as_query.png](https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/no_Isa_as_query.png?raw=true) | Screenshot of Attribute Map with a lack of 'Isa' as a Qurey entry. <img src="https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/no_Isa_as_query.png?raw=true" alt="Isa does not exist as a Query entry in the Attribute Map" title="Screenshot of Attribute Map with a lack of 'Isa' as a Qurey entry." /> |
+| [no_Isa_as_value.png](https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/no_Isa_as_value.png?raw=true) | Screenshot of Attribute Map with a lack of 'Isa' as a Value entry. <img src="https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/no_Isa_as_value.png?raw=true" alt="Isa does not exist as a Value entry in the Attribute Map" title="Screenshot of Attribute Map with a lack of 'Isa' as a Value entry." /> |
+| [no_Isa.png](https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/no_Isa.png?raw=true) | Screenshot of Attribute Map with a lack of 'Isa' as Values for the Queries of Isabel or Isabella <img src="https://github.internet2.edu/InCommon-Training/comanage-files/blob/master/match/exercises/3_attributes/no_Isa.png?raw=true" alt="Isa does not exist as a Value entry in the Attribute Map for Isabel or Isabella." title="Screenshot of Attribute Map with a lack of 'Isa' as Values for the Queries of Isabel or Isabella." /> |