Doc fix (#19)

* fix readme

* change wording

README.rst

@@ -5,11 +5,9 @@ Welcome to ScanWatch 0.1.1
 Note
 ----
 
-This library is under development by EtWnn, feel free to drop your suggestions or remarks in
+This library is developed and maintained by EtWnn, feel free to drop your suggestions or remarks in
 the discussion tab of the git repo. You are also welcome to contribute by submitting PRs.
 
-This library is made to retrieve price or candle history of crypto assets using multiple sources.
-
 **Source Code:**
     https://github.com/EtWnn/ScanWatch
 **Documentation:**
@@ -28,7 +26,7 @@ Go on `etherscan <https://etherscan.io/myapikey>`__ for the Ethereum chain and o
 `bscscan <https://bscscan.com/myapikey>`__ for the BSC chain.
 (If you want to use both chains, you will need an API token for each).
 
-``ScanWatch`` is not yet available on `PYPI <https://pypi.org/project/ScanWatch/>`_, install with ``pip``:
+``ScanWatch`` is available on `PYPI <https://pypi.org/project/ScanWatch/>`_, install with ``pip``:
 
 .. code:: bash