diff --git a/docs/configuration.md b/docs/configuration.md
index f1fac414dbe..3d1a31bc576 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -454,7 +454,7 @@ that release is not filtered out by this setting.
 
 ### `solver.min-release-age-exclude`
 
-**Type**: `string`
+**Type**: `array`
 
 **Default**: *not set*
 
@@ -462,8 +462,12 @@ that release is not filtered out by this setting.
 
 *Introduced in 2.4.0*
 
-A comma-separated list of package names that should be excluded from the
+A list of package names that should be excluded from the
 [`solver.min-release-age`](#solvermin-release-age) filter.
+When setting the value with `poetry config` or the environment variable,
+provide a comma-separated list. When setting it directly in `poetry.toml`,
+use a TOML array.
+
 Versions of these packages will always be considered by the solver,
 regardless of their upload age.
 
@@ -471,9 +475,14 @@ regardless of their upload age.
 poetry config solver.min-release-age-exclude "my-package,other-package"
 ```
 
+```toml title="poetry.toml"
+[solver]
+min-release-age-exclude = ["my-package", "other-package"]
+```
+
 ### `solver.min-release-age-exclude-source`
 
-**Type**: `string`
+**Type**: `array`
 
 **Default**: *not set*
 
@@ -481,8 +490,12 @@ poetry config solver.min-release-age-exclude "my-package,other-package"
 
 *Introduced in 2.4.0*
 
-A comma-separated list of source names or URLs that should be excluded from the
+A list of source names or URLs that should be excluded from the
 [`solver.min-release-age`](#solvermin-release-age) filter.
+When setting the value with `poetry config` or the environment variable,
+provide a comma-separated list. When setting it directly in `poetry.toml`,
+use a TOML array.
+
 All packages from these sources will always be considered by the solver,
 regardless of their upload age.
 Sources can be referenced by the name defined in `pyproject.toml` or by URL.
@@ -491,6 +504,11 @@ Sources can be referenced by the name defined in `pyproject.toml` or by URL.
 poetry config solver.min-release-age-exclude-source "private-repo,https://example.com/simple/"
 ```
 
+```toml title="poetry.toml"
+[solver]
+min-release-age-exclude-source = ["private-repo", "https://example.com/simple/"]
+```
+
 ### `system-git-client`
 
 **Type**: `boolean`