docs: Improve feature description structure

README.md

@@ -25,24 +25,29 @@ an error annotated with line and column in the YAML file if necessary.
 
 ## (anti-)Features
 
-- 🚫 Forbids the use of `no`, `yes`, `on` and `off` for `bool`,
-  allows only `true` and `false`.
-- 🚫 Forbids the use of `~` and `Null`, allows only `null` for nilables.
-- 🚫 Forbids assigning `null` to non-nilables (which normally would assign zero value).
-- ❗️ Requires `"yaml"` struct tags throughout your configuration struct type.
-- ❗️ Requires `"env"` struct tags to be POSIX-style and
+- Go restrictions:
+	- 🚫 Forbids recursive Go types.
+	- 🚫 Forbids the use of `any`, `int` & `uint` (unspecified width), and other types.
+	Only maps, slices, arrays and deterministic primitives are allowed.
+	- ❗️ Requires `"yaml"` struct tags throughout your configuration struct type.
+	- ❗️ Requires `"env"` struct tags to be POSIX-style and
+	forbids any non-primitive env var fields.
+	- ❗️ Allows only primitive fields with the `env` tag to be overwritten with env vars.
   forbids any non-primitive env var fields.
-- ❗️ Allows only primitive fields with the `env` tag to be overwritten with env vars.
-- 🚫 Forbids recursive Go types.
-- 🚫 Forbids the use of `any`, `int` & `uint` (unspecified width), and other types.
-  Only maps, slices, arrays and deterministic primitives are allowed.
-- ❗️ Requires fields specified in the configuration type to be present in the YAML file.
-- 🚫 Forbids fields in the YAML file that aren't specified by the Go type.
-- Reports errors by `line:column` when it can.
-- 🪄 If any type within your configuration struct implements the `Validate` interface,
-  then its validation method will be called.
-  If it returns an error - the error will be reported.
-  Keep your validation logic close to your configuration type definitions.
+	- 🚫 Forbids non-pointer struct map values.
+- YAML restrictions:
+	- 🚫 Forbids the use of `no`, `yes`, `on` and `off` for `bool`,
+  allows only `true` and `false`.
+	- 🚫 Forbids the use of `~` and `Null`, allows only `null` for nilables.
+	- 🚫 Forbids assigning `null` to non-nilables (which normally would assign zero value).
+	- 🚫 Forbids fields in the YAML file that aren't specified by the Go type.
+	- ❗️ Requires fields specified in the configuration type to be present in the YAML file.
+- Features:
+	- 🪄 If any type within your configuration struct implements the `Validate` interface,
+	then its validation method will be called.
+	If it returns an error - the error will be reported.
+	Keep your validation logic close to your configuration type definitions.
+	- Reports errors by `line:column` when it can.
 
 ## Example