Correct form of a key in the reference

docs/reference.md

@@ -214,7 +214,7 @@ Body provides a bit more flexibility on what body to expect in this response.
 | is       | string | yes      |         | What content of the body (or selector content) to expect                                                                                                                                                                              |
 | selector | string | no       | -       | A selector to get part of the body. The underlying implementation is using `gjson`, reference of syntax can be found [here](https://github.com/tidwall/gjson/blob/master/SYNTAX.md)                                                   |
 | subset   | bool   | no       | no      | If the `is` block is a subset of the body (or selector content). See [examples](https://github.com/getapid/apid-cli/tree/master/testapi/tests).                                                                                       |
-| keysOnly | bool   | no       | no      | If values should be disregarded when checking for equality. All types of values except objects are ignored. Objects will still be recursively checked. See [examples](https://github.com/getapid/apid-cli/tree/master/testapi/tests). |
+| keys_only | bool   | no       | no      | If values should be disregarded when checking for equality. All types of values except objects are ignored. Objects will still be recursively checked. See [examples](https://github.com/getapid/apid-cli/tree/master/testapi/tests). |
 
 ```yaml
 expect:
@@ -239,7 +239,7 @@ expect:
         }
 
     - selector: name
-      keysOnly: true
+      keys_only: true
       is: |
         {
           "first": "Something, but not Tom", 
@@ -248,7 +248,7 @@ expect:
 
     - selector: name
       subset: true
-      keysOnly: true
+      keys_only: true
       is: |
         {
           "first": "Something, but not Tom"