troubleshooting: fix typos and grammar

_pages/en_US/troubleshooting.txt

@@ -372,7 +372,7 @@ There is an issue with your `arm11code.bin` file. Download the latest release of
 Browser based exploits (such as this one) are often unstable and crash frequently, but they can sometimes be fixed by doing the following steps.
 
 1. Launch the browser, then launch the browser settings
-1. Scroll to the bottom and and select "Reset Save Data" (it may also be called "Initilize Save Data" or "Clear All Save Data")
+1. Scroll to the bottom and select "Reset Save Data" (it may also be called "Initialize Save Data" or "Clear All Save Data")
 1. Try the exploit again
 {% endcapture %}
 <details>{{ compat | markdownify }}</details>
@@ -534,7 +534,7 @@ You did not copy everything from `finalize.zip` to the root of your SD card. Rem
 
 <summary><u>Error #04: No space</u></summary>
 
-You need at least 1.3GB of free space to perform the NAND backup, which is apart of the script. If you don't have enough space, follow these steps:
+You need at least 1.3GB of free space to perform the NAND backup, which is a part of the script. If you don't have enough space, follow these steps:
 
 1. Power off your console
 1. Remove the SD card and insert it into your computer