Use [codeblock lang=text] more often in class ref

doc/classes/ProjectSettings.xml

@@ -969,7 +969,7 @@
 			The command-line arguments to append to Godot's own command line when running the project. This doesn't affect the editor itself.
 			It is possible to make another executable run Godot by using the [code]%command%[/code] placeholder. The placeholder will be replaced with Godot's own command line. Program-specific arguments should be placed [i]before[/i] the placeholder, whereas Godot-specific arguments should be placed [i]after[/i] the placeholder.
 			For example, this can be used to force the project to run on the dedicated GPU in an NVIDIA Optimus system on Linux:
-			[codeblock]
+			[codeblock lang=text]
 			prime-run %command%
 			[/codeblock]
 		</member>
@@ -2855,7 +2855,7 @@
 		<member name="rendering/vrs/texture" type="String" setter="" getter="" default="&quot;&quot;">
 			If [member rendering/vrs/mode] is set to [b]Texture[/b], this is the path to default texture loaded as the VRS image.
 			The texture [i]must[/i] use a lossless compression format so that colors can be matched precisely. The following VRS densities are mapped to various colors, with brighter colors representing a lower level of shading precision:
-			[codeblock]
+			[codeblock lang=text]
 			- 1×1 = rgb(0, 0, 0)     - #000000
 			- 1×2 = rgb(0, 85, 0)    - #005500
 			- 2×1 = rgb(85, 0, 0)    - #550000