add documentation

ruby-grape · Nov 15, 2024 · d3ed93a · d3ed93a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -15,6 +15,7 @@
 * [#2506](https://github.com/ruby-grape/grape/pull/2506): Fix fetch_formatter api_format - [@ericproulx](https://github.com/ericproulx).
 * [#2507](https://github.com/ruby-grape/grape/pull/2507): Fix type: Set with values - [@nikolai-b](https://github.com/nikolai-b).
 * [#2510](https://github.com/ruby-grape/grape/pull/2510): Fix ContractScope's validator inheritance - [@ericproulx](https://github.com/ericproulx).
+* [#2511](https://github.com/ruby-grape/grape/pull/2511): Convert all header values to strings - [@SlakrHakr](https://github.com/SlakrHakr).
 * Your contribution here.
 
 ### 2.2.0 (2024-09-14)

diff --git a/README.md b/README.md
@@ -2210,6 +2210,10 @@ get do
 end
 ```
 
+#### Header Value Types
+
+All header values are converted to strings to conform with the [rack specification](https://github.com/rack/rack/blob/main/SPEC.rdoc#the-headers-).
+
 #### Header Case Handling
 
 The above example may have been requested as follows: