diff --git a/docs/users_guide/framework_basics/basic_concepts.md b/docs/users_guide/framework_basics/basic_concepts.md
index a99eae61..574b8592 100644
--- a/docs/users_guide/framework_basics/basic_concepts.md
+++ b/docs/users_guide/framework_basics/basic_concepts.md
@@ -95,14 +95,6 @@ including:
 
     `QuantitySpec` can be defined by the user in one of the following ways:
 
-    === "C++20"
-
-        ```cpp
-        inline constexpr struct length : quantity_spec<length, dim_length> {} length;
-        inline constexpr struct height : quantity_spec<height, length> {} height;
-        inline constexpr struct speed : quantity_spec<speed, length / time> {} speed;
-        ```
-
     === "C++23"
 
         ```cpp
@@ -111,6 +103,14 @@ including:
         inline constexpr struct speed : quantity_spec<length / time> {} speed;
         ```
 
+    === "C++20"
+
+        ```cpp
+        inline constexpr struct length : quantity_spec<length, dim_length> {} length;
+        inline constexpr struct height : quantity_spec<height, length> {} height;
+        inline constexpr struct speed : quantity_spec<speed, length / time> {} speed;
+        ```
+
     === "Portable"
 
         ```cpp
diff --git a/docs/users_guide/framework_basics/character_of_a_quantity.md b/docs/users_guide/framework_basics/character_of_a_quantity.md
index e7d8ca02..53083e59 100644
--- a/docs/users_guide/framework_basics/character_of_a_quantity.md
+++ b/docs/users_guide/framework_basics/character_of_a_quantity.md
@@ -94,13 +94,6 @@ Also, it explicitly states that:
 To specify that a specific quantity has a vector or tensor character a value of `quantity_character`
 enumeration can be appended to the `quantity_spec` describing such a quantity type:
 
-=== "C++20"
-
-    ```cpp
-    inline constexpr struct position_vector : quantity_spec<position_vector, length, quantity_character::vector> {} position_vector;
-    inline constexpr struct displacement : quantity_spec<displacement, length, quantity_character::vector> {} displacement;
-    ```
-
 === "C++23"
 
     ```cpp
@@ -108,6 +101,13 @@ enumeration can be appended to the `quantity_spec` describing such a quantity ty
     inline constexpr struct displacement : quantity_spec<length, quantity_character::vector> {} displacement;
     ```
 
+=== "C++20"
+
+    ```cpp
+    inline constexpr struct position_vector : quantity_spec<position_vector, length, quantity_character::vector> {} position_vector;
+    inline constexpr struct displacement : quantity_spec<displacement, length, quantity_character::vector> {} displacement;
+    ```
+
 === "Portable"
 
     ```cpp
@@ -123,18 +123,18 @@ character determined according to the kind of operations included in the
 For example, `velocity` in the below definition will be defined as a vector quantity (no explicit
 character override is needed):
 
-=== "C++20"
-
-    ```cpp
-    inline constexpr struct velocity : quantity_spec<velocity, speed, position_vector / duration> {} velocity;
-    ```
-
 === "C++23"
 
     ```cpp
     inline constexpr struct velocity : quantity_spec<speed, position_vector / duration> {} velocity;
     ```
 
+=== "C++20"
+
+    ```cpp
+    inline constexpr struct velocity : quantity_spec<velocity, speed, position_vector / duration> {} velocity;
+    ```
+
 === "Portable"
 
     ```cpp
diff --git a/docs/users_guide/framework_basics/dimensionless_quantities.md b/docs/users_guide/framework_basics/dimensionless_quantities.md
index 1d45592d..cf30946d 100644
--- a/docs/users_guide/framework_basics/dimensionless_quantities.md
+++ b/docs/users_guide/framework_basics/dimensionless_quantities.md
@@ -212,14 +212,6 @@ flowchart TD
 To provide such support in the library, we provided an `is_kind` specifier that can be appended
 to the quantity specification:
 
-=== "C++20"
-
-    ```cpp
-    inline constexpr struct angular_measure : quantity_spec<angular_measure, dimensionless, arc_length / radius, is_kind> {} angular_measure;
-    inline constexpr struct solid_angular_measure : quantity_spec<solid_angular_measure, dimensionless, area / pow<2>(radius), is_kind> {} solid_angular_measure;
-    inline constexpr struct storage_capacity : quantity_spec<storage_capacity, dimensionless, is_kind> {} storage_capacity;
-    ```
-
 === "C++23"
 
     ```cpp
@@ -228,6 +220,14 @@ to the quantity specification:
     inline constexpr struct storage_capacity : quantity_spec<dimensionless, is_kind> {} storage_capacity;
     ```
 
+=== "C++20"
+
+    ```cpp
+    inline constexpr struct angular_measure : quantity_spec<angular_measure, dimensionless, arc_length / radius, is_kind> {} angular_measure;
+    inline constexpr struct solid_angular_measure : quantity_spec<solid_angular_measure, dimensionless, area / pow<2>(radius), is_kind> {} solid_angular_measure;
+    inline constexpr struct storage_capacity : quantity_spec<storage_capacity, dimensionless, is_kind> {} storage_capacity;
+    ```
+
 === "Portable"
 
     ```cpp
diff --git a/docs/users_guide/framework_basics/systems_of_quantities.md b/docs/users_guide/framework_basics/systems_of_quantities.md
index 663557ae..bf334e53 100644
--- a/docs/users_guide/framework_basics/systems_of_quantities.md
+++ b/docs/users_guide/framework_basics/systems_of_quantities.md
@@ -121,28 +121,6 @@ from such an instantiation.
 
 For example, here is how the above quantity kind tree can be modeled in the library:
 
-=== "C++20"
-
-    ```cpp
-    inline constexpr struct length : quantity_spec<length, dim_length> {} length;
-    inline constexpr struct width : quantity_spec<width, length> {} width;
-    inline constexpr auto breadth = width;
-    inline constexpr struct height : quantity_spec<height, length> {} height;
-    inline constexpr auto depth = height;
-    inline constexpr auto altitude = height;
-    inline constexpr struct thickness : quantity_spec<thickness, width> {} thickness;
-    inline constexpr struct diameter : quantity_spec<diameter, width> {} diameter;
-    inline constexpr struct radius : quantity_spec<radius, width> {} radius;
-    inline constexpr struct radius_of_curvature : quantity_spec<radius_of_curvature, radius> {} radius_of_curvature;
-    inline constexpr struct path_length : quantity_spec<path_length, length> {} path_length;
-    inline constexpr auto arc_length = path_length;
-    inline constexpr struct distance : quantity_spec<distance, path_length> {} distance;
-    inline constexpr struct radial_distance : quantity_spec<radial_distance, distance> {} radial_distance;
-    inline constexpr struct wavelength : quantity_spec<wavelength, length> {} wavelength;
-    inline constexpr struct position_vector : quantity_spec<position_vector, length, quantity_character::vector> {} position_vector;
-    inline constexpr struct displacement : quantity_spec<displacement, length, quantity_character::vector> {} displacement;
-    ```
-
 === "C++23"
 
     ```cpp
@@ -165,6 +143,28 @@ For example, here is how the above quantity kind tree can be modeled in the libr
     inline constexpr struct displacement : quantity_spec<length, quantity_character::vector> {} displacement;
     ```
 
+=== "C++20"
+
+    ```cpp
+    inline constexpr struct length : quantity_spec<length, dim_length> {} length;
+    inline constexpr struct width : quantity_spec<width, length> {} width;
+    inline constexpr auto breadth = width;
+    inline constexpr struct height : quantity_spec<height, length> {} height;
+    inline constexpr auto depth = height;
+    inline constexpr auto altitude = height;
+    inline constexpr struct thickness : quantity_spec<thickness, width> {} thickness;
+    inline constexpr struct diameter : quantity_spec<diameter, width> {} diameter;
+    inline constexpr struct radius : quantity_spec<radius, width> {} radius;
+    inline constexpr struct radius_of_curvature : quantity_spec<radius_of_curvature, radius> {} radius_of_curvature;
+    inline constexpr struct path_length : quantity_spec<path_length, length> {} path_length;
+    inline constexpr auto arc_length = path_length;
+    inline constexpr struct distance : quantity_spec<distance, path_length> {} distance;
+    inline constexpr struct radial_distance : quantity_spec<radial_distance, distance> {} radial_distance;
+    inline constexpr struct wavelength : quantity_spec<wavelength, length> {} wavelength;
+    inline constexpr struct position_vector : quantity_spec<position_vector, length, quantity_character::vector> {} position_vector;
+    inline constexpr struct displacement : quantity_spec<displacement, length, quantity_character::vector> {} displacement;
+    ```
+
 === "Portable"
 
     ```cpp