diff --git a/ChangeLog.md b/ChangeLog.md
index 90b80f2..2c52579 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,6 @@
 #2.2.3
   * Fix mismatch between class 5 and class 7 fighter hangars
+  * Add details for concordant sequence special effect
 
 #2.2.2
   * Add distributor draw modifier to shield generators
diff --git a/modifications/modifierActions.json b/modifications/modifierActions.json
index 9f08225..754358e 100644
--- a/modifications/modifierActions.json
+++ b/modifications/modifierActions.json
@@ -181,6 +181,9 @@
   },
   "special_auto_loader": {},
   "special_choke_canister": {},
+  "special_concordant_sequence": {
+    "thermload": 0.5
+  },
   "special_corrosive_shell": {
     "ammo": -0.2
   },