quick fix

Author: unrooted

LambdaDays2022/README.md

@@ -1,5 +1,5 @@
 <div align="center"> <img src="./logo.png"></a> 
 
-[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/main/LambdaDays2022/Nix-ConfigureAndProsper.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/main/LambdaDays2022/Nix-ConfigureAndProsper.pdf)
+[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/master/LambdaDays2022/Nix-ConfigureAndProsper.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/master/LambdaDays2022/Nix-ConfigureAndProsper.pdf)
 
 </div>

TechRisk2022/README.md

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 <div align="center"> <img src="./logo.png"></a> 
 
-[Slides in Polish (original version)](https://github.com/redcode-labs/talks/blob/main/TechRisk2022/pl/) | [Slides in English](https://github.com/redcode-labs/talks/blob/main/TechRisk2022/en)
+[Slides in Polish (original version)](https://github.com/redcode-labs/talks/blob/master/TechRisk2022/pl/) | [Slides in English](https://github.com/redcode-labs/talks/blob/master/TechRisk2022/en)
 
 </div>

TechRisk2022/en/README.md

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 <div align="center"> <img src="./logo.png"></a> 
 
-[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/main/TechRisk2022/en/TheDarkestInTheCave.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/main/TechRisk2022/en/TheDarkestInTheCave.pdf)
+[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/master/TechRisk2022/en/TheDarkestInTheCave.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/master/TechRisk2022/en/TheDarkestInTheCave.pdf)
 
 </div>

TechRisk2022/pl/README.md

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 <div align="center"> <img src="./logo.png"></a> 
 
-[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/main/TechRisk2022/pl/NajciemniejWJaskinii.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/main/TechRisk2022/pl/NajciemniejWJaskinii.pdf)
+[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/master/TechRisk2022/pl/NajciemniejWJaskinii.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/master/TechRisk2022/pl/NajciemniejWJaskinii.pdf)
 
 </div>

TheHackSummit2022/README.md

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 <div align="center"> <img src="./logo.svg"></a> 
 
-[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/main/TheHackSummit2022/MadeInGolang.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/main/TheHackSummit/MadeInGolang.pdf)
+[Slides in `.pptx` format](https://github.com/redcode-labs/talks/blob/master/TheHackSummit2022/MadeInGolang.pptx) | [Slides in `.pdf` format](https://github.com/redcode-labs/talks/blob/master/TheHackSummit/MadeInGolang.pdf)
 
 </div>