update/fix some comments and docs

docs/bot-basics.md

@@ -34,7 +34,6 @@ By default, loop runs every few seconds (`internals.process_throttle_secs`) and
 * Check timeouts for open orders.
   * Calls `check_entry_timeout()` strategy callback for open entry orders.
   * Calls `check_exit_timeout()` strategy callback for open exit orders.
-* Check readjustment request for open orders.
   * Calls `adjust_entry_price()` strategy callback for open entry orders.
 * Verifies existing positions and eventually places exit orders.
   * Considers stoploss, ROI and exit-signal, `custom_exit()` and `custom_stoploss()`.
@@ -60,6 +59,7 @@ This loop will be repeated again and again until the bot is stopped.
 * Calculate entry / exit signals (calls `populate_entry_trend()` and `populate_exit_trend()` once per pair).
 * Loops per candle simulating entry and exit points.
   * Check for Order timeouts, either via the `unfilledtimeout` configuration, or via `check_entry_timeout()` / `check_exit_timeout()` strategy callbacks.
+  * Calls `adjust_entry_price()` strategy callback for open entry orders.
   * Check for trade entry signals (`enter_long` / `enter_short` columns).
   * Confirm trade entry / exits (calls `confirm_trade_entry()` and `confirm_trade_exit()` if implemented in the strategy).
   * Call `custom_entry_price()` (if implemented in the strategy) to determine entry price (Prices are moved to be within the opening candle).

docs/strategy-callbacks.md

@@ -765,7 +765,7 @@ class AwesomeStrategy(IStrategy):
         """
         # Limit orders to use and follow SMA200 as price target for the first 10 minutes since entry trigger for BTC/USDT pair.
         if pair == 'BTC/USDT' and entry_tag == 'long_sma200' and side == 'long' and (current_time - timedelta(minutes=10) > trade.open_date_utc:
-            # just cancel the order if it has been filled more than half of the ammount
+            # just cancel the order if it has been filled more than half of the amount
             if order.filled > order.remaining:
                 return None
             else:

freqtrade/optimize/backtesting.py

@@ -934,7 +934,7 @@ class Backtesting:
             else:
                 del trade.orders[trade.orders.index(order)]
 
-            # place new order if None was not returned
+            # place new order if result was not None
             if requested_rate:
                 self._enter_trade(pair=trade.pair, row=row, trade=trade,
                                   requested_rate=requested_rate,