diff --git a/_docs/_api/endpoints/user_data/post_users_merge.md b/_docs/_api/endpoints/user_data/post_users_merge.md
index 5186298b07c..da1e9b3c7a2 100644
--- a/_docs/_api/endpoints/user_data/post_users_merge.md
+++ b/_docs/_api/endpoints/user_data/post_users_merge.md
@@ -45,7 +45,7 @@ Authorization: Bearer YOUR_REST_API_KEY
 
 | Parameter | Required | Data Type | Description |
 |---|---|---|---|
-| `merge_updates` | Required | Array | An object array. Each object should contain an `identifier_to_merge` object and an `identifier_to_keep` object, which should each reference a user either by `external_id`,  `user_alias` or `email`. |
+| `merge_updates` | Required | Array | An object array. Each object should contain an `identifier_to_merge` object and an `identifier_to_keep` object, which should each reference a user either by `external_id`,  `user_alias`, `phone_number`, or `email`. |
 {: .reset-td-br-1 .reset-td-br-2 .reset-td-br-3 .reset-td-br-4}
 
 ### Merge behavior
@@ -99,9 +99,9 @@ When merging users, using the `/users/merge` endpoint works the same way as usin
 
 These merged fields will update "for X events in Y days" filters. For purchase events, these filters include "number of purchases in Y days" and "money spent in last Y days".
 
-### Merging users by email
+### Merging users by email or phone number
 
-If an `email` is specified as an identifier, an additional `prioritization` value is required in the identifier. The `prioritization` should be an array specifying which user to merge if there are multiple users found. `prioritization` is an ordered array, meaning if more than one user matches from a prioritization, then merging will not occur.
+If an `email` or `phone_number` is specified as an identifier, an additional `prioritization` value is required in the identifier. The `prioritization` should be an array specifying which user to merge if there are multiple users found. `prioritization` is an ordered array, meaning if more than one user matches from a prioritization, then merging will not occur.
 
 The allowed values for the array are: `identified`, `unidentified`, `most_recently_updated`. `most_recently_updated` refers to prioritizing the most recently updated user.