Update classifications-and-ontologies.md

docs/classifications-and-ontologies.md

@@ -149,7 +149,7 @@ This table is maintained in parallel with the [Beacon v2 documentation](http://d
 | <nobr>[`EFO:0030072`](http://www.ebi.ac.uk/efo/EFO_0030072)</nobr><br/> high-level copy number gain | `DUP`[^2] or<br/><nobr>[`EFO:0030072`](http://www.ebi.ac.uk/efo/EFO_0030072)</nobr> | `DUP`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001742`](http://www.sequenceontology.org/browser/current_release/term/SO:0001742) <br/> copy_number_gain | <nobr>[`EFO:0030072`](http://www.ebi.ac.uk/efo/EFO_0030072)</nobr><br/> high-level gain | commonly but not consistently used for >=5 copies on a bi-allelic genome region |
 | <nobr>[`EFO:0030073`](http://www.ebi.ac.uk/efo/EFO_0030073)</nobr><br/> focal genome amplification  | `DUP`[^2] or<br/><nobr>[`EFO:0030073`](http://www.ebi.ac.uk/efo/EFO_0030073)</nobr> | `DUP`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001742`](http://www.sequenceontology.org/browser/current_release/term/SO:0001742) <br/> copy_number_gain | <nobr>[`EFO:0030072`](http://www.ebi.ac.uk/efo/EFO_0030072)</nobr><br/> high-level gain[^4]  | commonly but not consistently used for >=5 copies on a bi-allelic genome region, of limited size (operationally max. 1-5Mb) |
 | <nobr>[`EFO:0030067`](http://www.ebi.ac.uk/efo/EFO_0030067)</nobr><br/> copy number loss | `DEL`[^2] or<br/><nobr>[`EFO:0030067`](http://www.ebi.ac.uk/efo/EFO_0030067)</nobr> | `DEL`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001743`](http://www.sequenceontology.org/browser/current_release/term/SO:0001743) <br/> copy_number_loss | <nobr>[`EFO:0030067`](http://www.ebi.ac.uk/efo/EFO_0030067)</nobr><br/> loss | a sequence alteration whereby the copy number of a given genomic region is smaller than the reference sequence |
-| <nobr>[`EFO:0030068`](http://www.ebi.ac.uk/efo/EFO_0030068) low-level copy number loss  | `DEL`[^2] or<br/><nobr>[`EFO:0030068`](http://www.ebi.ac.uk/efo/EFO_0030068)</nobr> | `DEL`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001743`](http://www.sequenceontology.org/browser/current_release/term/SO:0001743) <br/> copy_number_loss | <nobr>[`EFO:0030068`](http://www.ebi.ac.uk/efo/EFO_0030068)</nobr><br/> low-level loss  | |
+| <nobr>[`EFO:0030068`](http://www.ebi.ac.uk/efo/EFO_0030068)</nobr><br/> low-level copy number loss  | `DEL`[^2] or<br/><nobr>[`EFO:0030068`](http://www.ebi.ac.uk/efo/EFO_0030068)</nobr> | `DEL`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001743`](http://www.sequenceontology.org/browser/current_release/term/SO:0001743) <br/> copy_number_loss | <nobr>[`EFO:0030068`](http://www.ebi.ac.uk/efo/EFO_0030068)</nobr><br/> low-level loss  | |
 | <nobr>[`EFO:0020073`](http://www.ebi.ac.uk/efo/EFO_0020073)</nobr><br/> high-level copy number loss  | `DEL`[^2] or<br/><nobr>[`EFO:0020073`](https://github.com/EBISPOT/efo/issues/1941)</nobr> | `DEL`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001743`](http://www.sequenceontology.org/browser/current_release/term/SO:0001743) <br/> copy_number_loss | <nobr>[`EFO:0020073`](https://github.com/EBISPOT/efo/issues/1941)</nobr><br/> high-level loss  | a loss of several copies; also used in cases where a complete genomic deletion cannot be asserted |
 | <nobr>[`EFO:0030069`](http://www.ebi.ac.uk/efo/EFO_0030069)</nobr><br/> complete genomic deletion   | `DEL`[^2] or<br/><nobr>[`EFO:0030069`](http://www.ebi.ac.uk/efo/EFO_0030069)</nobr> | `DEL`<br/><nobr>`SVCLAIM=D`[^3]</nobr> | [`SO:0001743`](http://www.sequenceontology.org/browser/current_release/term/SO:0001743) <br/> copy_number_loss | <nobr>[`EFO:0030069`](http://www.ebi.ac.uk/efo/EFO_0030069)</nobr> complete genomic loss   | complete genomic deletion (e.g. homozygous deletion on a bi-allelic genome region) |