chore: update docs (#1068)

Signed-off-by: Dave Skender <[email protected]>

README.md

@@ -9,7 +9,7 @@
 
 **Stock Indicators for .NET** is a C# [library package](https://www.nuget.org/packages/Skender.Stock.Indicators) that produces financial market technical indicators.  Send in historical price quotes and get back desired indicators such as moving averages, Relative Strength Index, Stochastic Oscillator, Parabolic SAR, etc.  Nothing more.
 
-Build your private technical analysis, trading algorithms, machine learning, charting, or other intelligent market software with this library and your own [OHLCV](https://dotnet.stockindicators.dev/guide/#historical-quotes) price quotes sources for equities, commodities, forex, cryptocurrencies, and others.  [Stock Indicators for Python](https://python.stockindicators.dev/) is also available.  [Stock Indicators for Python](https://python.StockIndicators.dev/) is also available.
+Build your private technical analysis, trading algorithms, machine learning, charting, or other intelligent market software with this library and your own [OHLCV](https://dotnet.stockindicators.dev/guide/#historical-quotes) price quotes sources for equities, commodities, forex, cryptocurrencies, and others.  [Stock Indicators for Python](https://python.stockindicators.dev/) is also available.
 
 Visit our project site for more information:
 

docs/_indicators/Beta.md

@@ -30,7 +30,7 @@ IEnumerable<BetaResult> results = quotesEval
 
 ### Historical quotes requirements
 
-You must have at least `N` periods of `quotesEval` to cover the warmup periods.  You must have at least the same matching date elements of `quotesMarket`.  Exception will be thrown if not matched.  Historical price quotes should have a consistent frequency (day, hour, minute, etc).  See [the Guide]({{site.baseurl}}/guide/#historical-quotes) for more information.
+You must have at least `N` periods of `quotesEval` to cover the warmup periods.  You must have at least the same matching date elements of `quotesMarket`.  An `InvalidQuotesException` will be thrown if not matched.  Historical price quotes should have a consistent frequency (day, hour, minute, etc).  See [the Guide]({{site.baseurl}}/guide/#historical-quotes) for more information.
 
 #### BetaType options