//Basic Attack
[CMDATTACK]
Hotkey=A
Tip= |cffffcc00A|rttack
//Example of Modification
[CMDATTACK]
Hotkey=K
Tip= Attac|cffffcc00K|r
Extract CommandStrings.txt from War3xLocal.mpq\Units. Search for [CmdMove]. Apparently, it is directly the first one at the top. Change the value of field Hotkey. Save and import the modified file in your map under Units\CommandStrings.txt again. Of course, this will also apply all other data located in this file, along with changing the tooltips and other hotkeys of these standard abilities.