update docs

Author: krylosov-aa

docs/api/index.html

@@ -197,7 +197,7 @@ <h3 id="init">init</h3>
 <h3 id="connect">connect</h3>
 <pre><code class="language-python">async def connect(self: DBConnect, host: str) -&gt; None:
 </code></pre>
-<p>Establishes a connection to the specified host.</p>
+<p>Establishes a connection to the specified host. This method doesn’t need to be called explicitly. If it isn’t called, the first session request will automatically establish the connection.</p>
 <hr />
 <h3 id="change_host">change_host</h3>
 <pre><code class="language-python">async def change_host(self: DBConnect, host: str) -&gt; None:

docs_sources/docs/api.md

@@ -67,6 +67,9 @@ async def renew_master_connect(connect: DBConnect) -> None:
 async def connect(self: DBConnect, host: str) -> None:
 ```
 Establishes a connection to the specified host.
+This method doesn’t need to be called explicitly.
+If it isn’t called, the first session request will automatically
+establish the connection.
 
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