Update docs for dust log

Sam McHardy · Sam McHardy · commit 583bdecaeb7c · 2018-08-08T20:50:54.000+10:00
diff --git a/docs/account.rst b/docs/account.rst
@@ -176,4 +176,4 @@ Account
 
 .. code:: python
 
-    trades = client.get_dust_log()
+    log = client.get_dust_log()
