Update documentation/modules/exploit/windows/misc/ivanti_avalanche_mdm_bof.md

Co-authored-by: Christophe De La Fuente <[email protected]>

Author: EgeBalci

documentation/modules/exploit/windows/misc/ivanti_avalanche_mdm_bof.md

@@ -11,7 +11,7 @@ An attacker can send a specially crafted message to the Wavelink Avalanche Manag
 which could result in arbitrary code execution with the `NT/AUTHORITY SYSTEM` permissions.
 This vulnerability occurs during the processing of 3/5/8/100/101/102 item data types.
 The program tries to copy the item data using `qmemcopy` to a fixed size data buffer on stack.
-Upon successfull exploitation the attacker gains full access to the target system.
+Upon successful exploitation the attacker gains full access to the target system.
 
 The original analysis and the vulnerability discovery is done by the Tenable.
 Check [here](https://www.tenable.com/security/research/tra-2023-27) for public advisory.