Improve documentation wording

docs/backtesting.md

@@ -38,7 +38,7 @@ This will download ticker data for all the currency pairs you defined in `pairs.
 - To use exchange, timeframe and list of pairs as defined in your configuration file, use the `-c/--config` option. With this, the script uses the whitelist defined in the config as the list of currency pairs to download data for and does not require the pairs.json file. You can combine `-c/--config` with most other options.
 
 !!! Tip Updating existing data
-    If you already have backtesting data available in your data-directory and would like to refresh this data up to today, use `--days xx` with a number slightly higher than the missing number of days. Freqtrade will load the available data and only download the missing data.
+    If you already have backtesting data available in your data-directory and would like to refresh this data up to today, use `--days xx` with a number slightly higher than the missing number of days. Freqtrade will keep the available data and only download the missing data.
     Be carefull though: If the number is too small (which would result in a few missing days), the whole dataset will be removed and only xx days will be downloaded.
 
 ## Test your strategy with Backtesting

docs/deprecated.md

@@ -12,7 +12,7 @@ and are no longer supported. Please avoid their usage in your configuration.
 Since this leads to much confusion, and slows down backtesting (while not being part of backtesting) this has been singled out 
 as a seperate freqtrade subcommand `freqtrade download-data`.
 
-This command line option was deprecated in `2019.7-dev` and removed in `2019-9`
+This command line option was deprecated in 2019.7-dev (develop branch) and removed in 2019.9 (master branch).
 
 ### The **--dynamic-whitelist** command line option