diff --git a/README.md b/README.md
index 72659f6..b856e5a 100644
--- a/README.md
+++ b/README.md
@@ -15,13 +15,14 @@ Pick one or more [FORMAT namespaces], e.g.:
 
     sh tests/test.sh markdown html
 
-You can also use this filters in your documents:[^1]
+You can also use this filter for your documents:[^1]
 
     pandoc --lua-filter literate.lua -t FORMAT YOUR_DOC
 
-Besides your document, you must add the class `eval` in your [fenced code
-blocks]. If you also want to replace the code block content with the evaluation
-result, you also must add the class `replace`.
+Besides your document, you must add the class `eval` in the [fenced code
+blocks] that you want to evaluate. If you also want to replace the code block
+content with the evaluation result, you also must add the class `replace`.
+Check [this test] if you don't known what I am talking about.
 
 Happy hacking :)
 
@@ -35,3 +36,4 @@ Happy hacking :)
   [Lua]: https://www.lua.org/
   [FORMAT namespaces]: https://pandoc.org/MANUAL.html#option--to
   [fenced code blocks]: https://pandoc.org/MANUAL.html#fenced-code-blocks
+  [this test]: https://git.cuates.net/perro/literate-pandoc/src/branch/no-masters/tests/src/t2.md?display=source