Petalinux-Introduction.md

@@ -19,16 +19,16 @@ It's highly recommended to use a Linux-based desktop development environment whe
 Check out our [Petalinux Ubuntu Development Environment](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Petalinux-Ubuntu-Development-Environment) guide for specific steps to set that up!
 
 # Hardware - Vivado
-Check out our [Vivado/Vitis Install](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Vivado-and-Vitis-Install) guide to learn how to install Vivado on your ububtu development environment. 
+Check out our [Vivado/Vitis Install](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Vivado-and-Vitis-Install) guide to learn how to install Vivado on your Ubuntu development environment. 
 
 TODO link to external Vivado resources to learn how to use
 
 # OS - Petalinux
 
-Building petalinux requires petalinux tools, which can only run on Linux. Check out our [Petalinux Tools Install](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Petalinux-Tools-Install) for a guide on how to set that up in the ubuntu development environment. 
+Building petalinux requires petalinux tools, which can only run on Linux. Check out our [Petalinux Tools Install](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Petalinux-Tools-Install) for a guide on how to set that up in the Ubuntu development environment. 
 
 # SW - Vitis
-Check out our [Vivado/Vitis Install](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Vivado-and-Vitis-Install) guide to learn how to install Vitis on your ububtu development environment. 
+Check out our [Vivado/Vitis Install](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Vivado-and-Vitis-Install) guide to learn how to install Vitis on your Ubuntu development environment. 
 
 TODO explain each exising application (comm and sampling?)