diff --git a/src/if-run/builtins/coefficient/README.md b/src/if-run/builtins/coefficient/README.md
index 38209f95..c79bdab7 100644
--- a/src/if-run/builtins/coefficient/README.md
+++ b/src/if-run/builtins/coefficient/README.md
@@ -103,12 +103,16 @@ initialize:
           carbon:
             description: 'an amount of carbon emitted into the atmosphere'
             unit: 'gCO2e'
-            aggregation-method: sum
+            aggregation-method:
+              time: sum
+              component: sum
         outputs:
           carbon-product:
             description: 'a product of cabon property and the coefficient'
             unit: 'gCO2e'
-            aggregation-method: sum
+            aggregation-method:
+              time: sum
+              component: sum
 tree:
   children:
     child:
diff --git a/src/if-run/builtins/sum/README.md b/src/if-run/builtins/sum/README.md
index c6ba6d0c..66914b78 100644
--- a/src/if-run/builtins/sum/README.md
+++ b/src/if-run/builtins/sum/README.md
@@ -103,18 +103,28 @@ initialize:
           cpu/energy:
             description: energy consumed by the cpu
             unit: kWh
-            aggregation-method: sum
-            aggregation-method: sum
+            aggregation-method:
+              time: sum
+              component: sum
+            aggregation-method:
+              time: sum
+              component: sum
           network/energy:
             description: energy consumed by data ingress and egress
             unit: kWh
-            aggregation-method: sum
-            aggregation-method: sum
+            aggregation-method:
+              time: sum
+              component: sum
+            aggregation-method:
+              time: sum
+              component: sum
         outputs:
           energy:
             description: sum of energy components
             unit: kWh
-            aggregation-method: sum
+            aggregation-method:
+              time: sum
+              component: sum
 tree:
   children:
     child: