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Co-authored-by: Alex Beregszaszi <[email protected]>

test/spectests/README.md

@@ -19,20 +19,20 @@ bin/fizzy-spectests <test directory>
 Fizzy uses the official WebAssembly "[spec tests]", albeit not directly.
 It requires the Wast files to be translated into a JSON format using [wabt]'s `wast2json` tool.
 
-The reason for this is a design decision of Fizzy to not support the WebAssembly text format — and unfortunately
+The reason for this is a design decision of Fizzy to not support the WebAssembly text format, and unfortunately
 the official test cases are in a text format.
 
 In order to prepare the tests, run the following command for each file:
 ```shell script
 wast2json <file.wast> -o <file.json>
 ```
 
-You should also disable Wasm extensions with
+Make sure to disable all WebAssembly extensions when using `wast2json`:
 ```shell script
 wast2json --disable-saturating-float-to-int --disable-sign-extension --disable-multi-value
 ```
 
-To convert all files at once, run
+To convert all files at once:
 ```shell script
 wast2json
 find test/core -name '*.wast' -exec wast2json $options {} \;