diff --git a/definitions/variable/tag_electricity-source.yaml b/definitions/variable/tag_electricity-source.yaml
index 623eaf6..ff8f035 100644
--- a/definitions/variable/tag_electricity-source.yaml
+++ b/definitions/variable/tag_electricity-source.yaml
@@ -1,10 +1,8 @@
 - Electricity Source:
     - Gas|{Turbine Type}|w/ CCS:
-        description: combined cycle gas turbine with carbon capture and storage
+        description: combined or open cycle gas turbine with carbon capture and storage
     - Gas|{Turbine Type}|w/o CCS:
-        description: combined cycle gas turbine without carbon capture and storage
-    - Gas|{Turbine Type}|w/o CCS:
-        description: open cycle gas turbine without carbon capture and storage
+        description: combined or open cycle gas turbine without carbon capture and storage
     - Hydro|Reservoir:
         description: hydroelectric power plants with reservoirs
     - Hydro|Run of River: