diff --git a/dev-docs/analytics/pubmatic.md b/dev-docs/analytics/pubmatic.md
index 40d252b8fa..843acae59c 100644
--- a/dev-docs/analytics/pubmatic.md
+++ b/dev-docs/analytics/pubmatic.md
@@ -17,15 +17,15 @@ PubMatic team. Please reach out to your account team for more information.
 {: .table .table-bordered .table-striped }
 | Name         | Scope              | Description                                                                                                                 | Example                                                                             | Type             |
 |-------------|---------|--------------------|-----------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------|------------------|
-| publisherId | required  | The PubMatic Publisher ID | 1001  | int |
+| publisherId | required  | The PubMatic Publisher ID | "1001"  | string |
 
 ### Example Configuration
 
-```
+```javascript
     pbjs.enableAnalytics({
         provider: 'pubmatic',
         options: {
-            "publisherId": 12345 // please contact PubMatic to get a publisherId for yourself
+            "publisherId": "12345" // please contact PubMatic to get a publisherId for yourself
         }
     });
 ```
diff --git a/dev-docs/modules/userid-submodules/pubmatic.md b/dev-docs/modules/userid-submodules/pubmatic.md
index eded7445e3..296fe7cc3e 100644
--- a/dev-docs/modules/userid-submodules/pubmatic.md
+++ b/dev-docs/modules/userid-submodules/pubmatic.md
@@ -25,7 +25,7 @@ The following configuration parameters are available:
 | --- | --- | --- | --- | --- |
 | name | Required | String | The name of this sub-module | `"pubmaticId"` |
 | params ||| Details for the sub-module initialization ||
-| params.publisherId | Required | Number | Publisher ID | `123456` |
+| params.publisherId | Required | String | Publisher ID | `"123456"` |
 | storage |||||
 | storage.name | Required | String | The name of the cookie or html5 local storage key | `"pubmaticId"` |
 | storage.type | Required | String | This is where the PubMatic user ID will be stored | `"cookie&html5"` (recommended) or `"html5"` or `"cookie"` |
@@ -40,7 +40,7 @@ pbjs.setConfig({
     userIds: [{
       name: "pubmaticId",
       params: {
-        publisherId: 123456 // Example ID
+        publisherId: "123456" // Example ID
       },
       storage: {
         name: "pubmaticId",