some additional small edits

Author: devalog

fern/products/sdks/guides/configure-global-headers.mdx

@@ -6,13 +6,14 @@ description: Guide to configuring global headers in your SDKs.
 Your API may leverage certain headers for every endpoint or most endpoints.
 These are called **global headers**.
 
-Fern automatically pulls out headers that are used in every request, or the
+Fern automatically identifies headers that are used in every request, or the
 majority of requests, and marks them as global. You can manually configure additional
-headers as global in either `api.yml` (Fern Definition) or `openapi.yml`.
+global headers in either `api.yml` (Fern Definition) or `openapi.yml`.
 
-Once you configure a global header, Fern generates an SDK that accepts this as a
-constructor parameter. Users can then provide the value once, and the generated
-SDK automatically includes the header in all their API calls:
+Once you configure a global header (either automatically detected or manually
+specified), Fern generates an SDK that accepts this as a constructor parameter.
+Users can then provide the value once, and the generated SDK automatically
+includes the header in all their API calls:
 
 ```python
 import os
@@ -21,10 +22,12 @@ class Client:
 
   def __init__(self, *, apiKey: str):
 ```
+
+## Specifying Global Headers in a Fern Definition or OpenAPI spec
 <Tabs>
 <Tab title="Fern Definition">
 
-## Global Headers
+### Global Headers
 
 To specify headers that are meant to be included on every request:
 
@@ -36,7 +39,7 @@ headers:
 ```
 </CodeBlock>
 
-## Global path parameters
+### Global path parameters
 You can also specify path parameters that are meant to be included on every request:
 
 <CodeBlock title="api.yml">
@@ -49,7 +52,7 @@ path-parameters:
 ```
 </CodeBlock>
 
-### Overriding the base path
+#### Overriding the base path
 
 If you have certain endpoints that do not live at the configured `base-path`, you can 
 override the `base-path` at the endpoint level. 
@@ -73,7 +76,7 @@ If you'd like to see this feature, please upvote [this issue](https://github.com
 </Tab>
 <Tab title="OpenAPI">
 
-## Global Headers
+### Global Headers
 Use the `x-fern-global-headers` extension to label additional headers as global or to alias the names of global headers:
 
 ```yaml title="openapi.yml"
@@ -84,7 +87,7 @@ x-fern-global-headers:
     optional: true
 ```
 
-yields the following client:
+This configuration yields the following client:
 
 ```python
 import os