diff --git a/README.md b/README.md
index 20f2fe40..87a9a19f 100644
--- a/README.md
+++ b/README.md
@@ -192,10 +192,10 @@ Hypercerts-specific lexicons for tracking impact work and claims.
 
 ##### activityWeight
 
-| Property   | Type     | Required | Description                                                                                                                                                                      |
-| ---------- | -------- | -------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `activity` | `ref`    | ✅       | A strong reference to a hypercert activity record. This activity must conform to the lexicon org.hypercerts.claim.activity                                                       |
-| `weight`   | `string` | ✅       | The weight/importance of this hypercert activity (a percentage from 0-100, stored as a string to avoid float precision issues). The total activity weights should add up to 100. |
+| Property   | Type     | Required | Description                                                                                                                                                                                                                                                                   |
+| ---------- | -------- | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `activity` | `ref`    | ✅       | A strong reference to a hypercert activity record. This activity must conform to the lexicon org.hypercerts.claim.activity                                                                                                                                                    |
+| `weight`   | `string` | ✅       | The relative weight/importance of this hypercert activity (stored as a string to avoid float precision issues). Weights can be any positive numeric values and do not need to sum to a specific total; normalization can be performed by the consuming application as needed. |
 
 ---
 
diff --git a/lexicons/org/hypercerts/claim/activity.json b/lexicons/org/hypercerts/claim/activity.json
index 307de0b2..dbd23ae1 100644
--- a/lexicons/org/hypercerts/claim/activity.json
+++ b/lexicons/org/hypercerts/claim/activity.json
@@ -127,7 +127,7 @@
         },
         "weight": {
           "type": "string",
-          "description": "The weight/importance of this hypercert activity in the project (a percentage from 0-100, stored as a string to avoid float precision issues). The total activity weights should add up to 100."
+          "description": "The relative weight/importance of this hypercert activity (stored as a string to avoid float precision issues). Weights can be any positive numeric values and do not need to sum to a specific total; normalization can be performed by the consuming application as needed."
         }
       }
     }