Some small restructuring

docs/backtesting.md

@@ -3,7 +3,7 @@
 This page explains how to validate your strategy performance by using Backtesting.
 
 Backtesting requires historic data to be available.
-To learn how to get data for the pairs and exchange you're interrested in, head over to the [Data Downloading](data-download.md) section of the documentation.
+To learn how to get data for the pairs and exchange you're interested in, head over to the [Data Downloading](data-download.md) section of the documentation.
 
 ## Test your strategy with Backtesting
 
@@ -15,7 +15,7 @@ Backtesting will use the crypto-currencies (pairs) from your config file
 and load ticker data from `user_data/data/<exchange>` by default.
 If no data is available for the exchange / pair / ticker interval combination, backtesting will
 ask you to download them first using `freqtrade download-data`.
-For details on downloading, please refer to the [Downloading data](data-download.md) section in the documentation.
+For details on downloading, please refer to the [Data Downloading](data-download.md) section in the documentation.
 
 The result of backtesting will confirm if your bot has better odds of making a profit than a loss.
 
@@ -84,8 +84,8 @@ freqtrade backtesting --timerange=20190501-
 
 #### Advanced use of timerange
 
-Doing `--timerange=20190101-` will all available data starting with January 1st, 2019 from your inputdata.
-You can also specify specific dates, or a range span indexed by start and stop.
+Using `--timerange=20190101-` will use all available data starting with January 1st, 2019 from your inputdata.
+You can also specify particular dates or a range span indexed by start and stop.
 
 The full timerange specification:
 

docs/data-download.md

@@ -4,21 +4,26 @@
 
 To download data (candles / OHLCV) needed for backtesting and hyperoptimization use the `freqtrade download-data` command.
 
-If no additional parameter is specified, freqtrade will download data for `"1m"` and `"5m"` timeframes.
-Exchange and pairs will come from `config.json` (if specified using `-c/--config`). Otherwise `--exchange` becomes mandatory.
+If no additional parameter is specified, freqtrade will download data for `"1m"` and `"5m"` timeframes for the last 30 days.
+Exchange and pairs will come from `config.json` (if specified using `-c/--config`).
+Otherwise `--exchange` becomes mandatory.
 
-Alternatively, a `pairs.json` file can be used.
+### Pairs file
+
+In alternative to the whitelist from `config.json`, a `pairs.json` file can be used.
 
 If you are using Binance for example:
 
-- create a directory `user_data/data/binance` and copy `pairs.json` in that directory.
-- update the `pairs.json` to contain the currency pairs you are interested in.
+- create a directory `user_data/data/binance` and copy or create the `pairs.json` file in that directory.
+- update the `pairs.json` file to contain the currency pairs you are interested in.
 
 ```bash
 mkdir -p user_data/data/binance
 cp freqtrade/tests/testdata/pairs.json user_data/data/binance
 ```
 
+### start download
+
 Then run:
 
 ```bash
@@ -27,6 +32,8 @@ freqtrade download-data --exchange binance
 
 This will download ticker data for all the currency pairs you defined in `pairs.json`.
 
+### Other Notes
+
 - To use a different directory than the exchange specific default, use `--datadir user_data/data/some_directory`.
 - To change the exchange used to download the tickers, please use a different configuration file (you'll probably need to adjust ratelimits etc.)
 - To use `pairs.json` from some other directory, use `--pairs-file some_other_dir/pairs.json`.