Fixed multiple spelling and formatting issues in Samsung configs

Author: MagicLike

openandroidinstaller/assets/configs/dreamlte.yaml

@@ -7,18 +7,20 @@ metadata:
     - dreamlte
   twrp-link: dreamlte
 requirements:
-  android: "9.0"
+  android: 9.0
 steps:
   unlock_bootloader:
   boot_recovery:
     - type: call_button
       content: >
         As a first step, you need to boot into the bootloader. A bootloader is the piece of software, 
-        that tells your phone who to start and run an operating system (like Android). Your device should be turned on. 
+        that tells your phone how to start and run an operating system (like Android). Your device should be turned on. 
         Then press 'Confirm and run' to reboot into the bootloader. Continue once it's done.
       command: adb_reboot_download
     - type: call_button
-      content: In this step, you need to boot a custom recovery on your device. Press 'Confirm and run' to start the process. Confirm afterwards to continue.
+      content: >
+        In this step, you need to flash a custom recovery on your device.
+        Press 'Confirm and run' to start the process. Confirm afterwards to continue.
       command: heimdall_flash_recovery
     - type: confirm_button
       img: samsung-buttons-bixby.png

openandroidinstaller/assets/configs/grandprimevelte.yaml

@@ -14,11 +14,13 @@ steps:
     - type: call_button
       content: >
         As a first step, you need to boot into the bootloader. A bootloader is the piece of software, 
-        that tells your phone who to start and run an operating system (like Android). Your device should be turned on. 
+        that tells your phone how to start and run an operating system (like Android). Your device should be turned on. 
         Then press 'Confirm and run' to reboot into the bootloader. Continue once it's done.
       command: adb_reboot_download
     - type: call_button
-      content: In this step, you need to boot a custom recovery on your device. Press 'Confirm and run' to start the process. Confirm afterwards to continue.
+      content: >
+        In this step, you need to flash a custom recovery on your device.
+        Press 'Confirm and run' to start the process. Confirm afterwards to continue.
       command: heimdall_flash_recovery
     - type: confirm_button
       img: samsung-buttons.png

openandroidinstaller/assets/configs/serranoltexx.yaml

@@ -12,7 +12,7 @@ steps:
     - type: call_button
       content: >
         As a first step, you need to boot into the bootloader. A bootloader is the piece of software, 
-        that tells your phone who to start and run an operating system (like Android). Your device should be turned on. 
+        that tells your phone how to start and run an operating system (like Android). Your device should be turned on. 
         Then press 'Confirm and run' to reboot into the bootloader. Continue once it's done.
       command: adb_reboot_download
     - type: call_button