Update removing-disks-from-array.mdx (#389)

typo fix

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

* **Documentation**
* Improved disk removal documentation with comprehensive step-by-step
instructions for safely removing disks from your Unraid array using the
Parity-preserve method. Enhanced guide now includes detailed procedures
for unmounting disks, zeroing storage, resetting array configuration,
unassigning disks, and verifying parity integrity to ensure data safety.

<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: ZAli01

docs/unraid-os/using-unraid-to/manage-storage/array/removing-disks-from-array.mdx

@@ -59,7 +59,7 @@ This method erases all data on the selected disk. Verify that all important data
 
 To use the parity-preserve method:
 
-1. Start the array in maintenance mode, click on the disk you want to remove, and then click **Erase**. This erases the file system from the device while maintaining parity, then stops the array.
+1. Start the array in maintenance mode, click on the disk you want to remove, and then click **Erase**. This erases the file system from the device while maintaining parity, then stop the array.
 2. Start the array in normal mode. The disk won't mount, but the remaining disks are online.
 3. Record array assignments, especially the parity drive.
 4. Optionally enable Reconstruct Write ("Turbo Write") in **Settings → Disk Settings** for faster zeroing, but only if all drives are healthy.