Update README.md

Author: rafaeldelboni

README.md

@@ -36,14 +36,24 @@ CI->>RE: Zip and Publish
 Go to this github [release page](https://github.com/clj-codes/docs.extractor/releases), download and unzip the `docs-db.zip` file.
 
 ## Connecting
-Since `v.0.2.0`, because of the new full-text index analyzers, this database requires this minimal connection opts to be used:
+Since `v.0.3.0`, because of the new full-text index analyzers, this database requires this minimal connection opts to be used:
 ```clojure
 (require '[datalevin.core :as d]
-         '[datalevin.search-utils :as su])
+         '[datalevin.search-utils :as su]
+         '[datalevin.interpret :refer [inter-fn]])
+
+(defn merge-tokenizers
+  "Merges the results of tokenizer a and b into one sequence."
+  [tokenizer-a tokenizer-b]
+  (inter-fn [^String s]
+    (into (sequence (tokenizer-a s))
+      (sequence (tokenizer-b s)))))
 
 (def conn-opts
   (let [query-analyzer (su/create-analyzer
-                        {:tokenizer (su/create-regexp-tokenizer #"[\s:/\.;,!=?\"'()\[\]{}|<>&@#^*\\~`\-]+")
+                        {:tokenizer (merge-tokenizers
+                                     (inter-fn [s] [[s 0 0]])
+                                     (su/create-regexp-tokenizer #"[\s:/\.;,!=?\"'()\[\]{}|<>&@#^*\\~`\-]+"))
                          :token-filters [su/lower-case-token-filter]})]
     {:search-domains {"project-name" {:query-analyzer query-analyzer}
                       "namespace-name" {:query-analyzer query-analyzer}