Fix wording

Remove duplicate "the" and shuffle some words around

docs/beginner/tutorial3-pipeline/README.md

@@ -119,7 +119,7 @@ Notice that this function is also called `main`. Because this function is marked
 
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-The `[[location(0)]]` bit tells WGPU to store the value the `vec4` returned by this function in the first color target. We'll get into what this is later.
+The `[[location(0)]]` bit tells WGPU to store the `vec4` value returned by this function in the first color target. We'll get into what this is later.
 
 ## How do we use the shaders?
 This is the part where we finally make the thing in the title: the pipeline. First let's modify `State` to include the following.