diff --git a/psi-ms.obo b/psi-ms.obo
index c8a955c..c9ec1a9 100644
--- a/psi-ms.obo
+++ b/psi-ms.obo
@@ -1,7 +1,7 @@
 format-version: 1.2
-data-version: 4.1.185
-date: 31:10:2024 10:20
-saved-by: Nithu Sara John
+data-version: 4.1.186
+date: 10:11:2024 08:30
+saved-by: Yasset Perez-Riverol
 default-namespace: MS
 namespace-id-rule: * MS:$sequence(7,0,9999999)$
 namespace-id-rule: * PEFF:$sequence(7,0,9999999)$
@@ -22724,6 +22724,14 @@ is_a: MS:1003431 ! pLink
 is_a: MS:1001139 ! quantitation software name
 is_a: MS:1001456 ! analysis software
 
+[Term]
+id: MS:1003433
+name: Andromeda:delta score
+def: "Score difference to the second best identified peptide with a different amino acid sequence." [PSI:PI]
+is_a: MS:1001143 ! PSM-level search engine specific statistic
+relationship: has_order MS:1002108 ! higher score better
+relationship: has_value_type xsd:double ! The allowed value-type for this CV term
+
 [Term]
 id: MS:4000000
 name: PSI-MS CV Quality Control Vocabulary