style(tvix/eval): minor rephrasing in a comment

From cl/6070

Change-Id: I8ce8c1b40032d85cd2c01b04e225ae4a2842c7b7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6172
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

tvix/eval/src/compiler.rs

@@ -32,7 +32,7 @@ impl Compiler {
             // type.
             rnix::SyntaxKind::NODE_ROOT => self.compile(node.first_child().expect("TODO")),
 
-            // Literals contain a single token comprising of the
+            // Literals contain a single token consisting of the
             // literal itself.
             rnix::SyntaxKind::NODE_LITERAL => {
                 let value = rnix::types::Value::cast(node).unwrap();