diff --git a/reactos/boot/freeldr/bootsect/isoboot.S b/reactos/boot/freeldr/bootsect/isoboot.S
index 9a4b057f2a7..354df591dbc 100644
--- a/reactos/boot/freeldr/bootsect/isoboot.S
+++ b/reactos/boot/freeldr/bootsect/isoboot.S
@@ -141,7 +141,7 @@ relocated:
 .read_mbr:
     // Read the first sector (MBR) from the first hard disk (drive 80h) to 7C00h.
     // If we then decide to boot from HDD, we already have it at the right place.
-    // In case of an error (indicated by the Carry Flag), just boot SETUPLDR from our ReactOS Medium.
+    // In case of an error (indicated by the Carry Flag), just boot SETUPLDR from our ReactOS medium.
     mov ax, HEX(0201)
     mov dx, HEX(0080)
     mov cx, HEX(0001)
@@ -150,13 +150,13 @@ relocated:
     jc .boot_setupldr
 
     // Verify the signature of the read MBR.
-    // If it's invalid, there is probably no OS installed and we just boot SETUPLDR from our ReactOS Medium.
+    // If it's invalid, there is probably no OS installed and we just boot SETUPLDR from our ReactOS medium.
     mov ax, word ptr ds:[HEX(7C00)+510]
     cmp ax, HEX(AA55)
     jne .boot_setupldr
 
 #ifdef WAIT_FOR_KEY
-    // We could either boot from the ReactOS Medium or from hard disk. Let the user decide!
+    // We could either boot from the ReactOS medium or from hard disk. Let the user decide!
     // Display the 'Press key' message.
     call crlf_early
     mov si, offset presskey_msg
@@ -172,7 +172,7 @@ relocated:
     add eax, 19
 
 .poll_again:
-    // Check for a keypress, boot SETUPLDR from our ReactOS Medium if a key was pressed.
+    // Check for a keypress, boot SETUPLDR from our ReactOS medium if a key was pressed.
     call pollchar_and_empty
     jnz .boot_setupldr
 
@@ -1071,7 +1071,7 @@ pollchar_and_empty:
 
 /* INITIALIZED VARIABLES *****************************************************/
 presskey_msg:
-    .ascii "Press any key to boot from the ReactOS Medium", NUL
+    .ascii "Press any key to boot from the ReactOS medium", NUL
 dot_msg:
     .ascii ".", NUL
 isoboot_str: