TASK: Tweak hint a bit more…

Author: kdambekalns

README.md

@@ -106,11 +106,15 @@ It expects the search term as a parameter named `q` (as defined in `AjaxSearch.f
 renders the search results and returns them as HTML without any of the page template. It can therefore
 be used to request search results via AJAX and display the result by adding it to the DOM as needed.
 
-## Remove special chars from search term
+## Removing special chars from search term
 
-You might not need special chars to prevent search result erros. Some chars are reserved and you can replace them before rendering the search results.
+You might need to remove special chars to prevent search errors. Some chars are reserved in Elasticsearch
+and you can replace them before submitting the search like this:
 
     prototype(Flowpack.SearchPlugin:Search) {
         searchTerm = ${request.arguments.search}
         searchTerm.@process.removeSpecialChars = ${String.pregReplace(value, "/[^a-zA-Z0-9äöüÄÖÜß]/", "")}
     }
+
+Keep in mind, that this blocks the explicit use of wildcards (`*`) and phrase search (`"search exactly this"`)
+for your users, in case you want to support that.