Can't properly set value of float from another script

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So what I’m trying to do is: I want the player do be able to upgrade the damage he deals to enemies. For that I use a public float damage. In another script. When the player clicks on a button, the following executes:
public void Damage()
{
damage += 5f;
print(damage);
Resume();
}
Resume just makes the game go on but the problem is, that this value is stored in another script and seems to update (add +5) in this script but not in the other one, where the value is stored.
Thanks in advance for any help.

[SF_FrankvHoof]

@Code_to_the_top

So what I’m trying to do is: I want the player do be able to upgrade the damage he deals to enemies. For that I use a public float damage. In another script. When the player clicks on a button, the following executes:
public void Damage()
{
damage += 5f;
print(damage);
Resume();
}
Resume just makes the game go on but the problem is, that this value is stored in another script and seems to update (add +5) in this script but not in the other one, where the value is stored.
Thanks in advance for any help.

1. Please use CODE-tags.
2. You’ll need a reference to that other script. Then, as long as the damage-variable is public, you can do otherScript.damage += 5f;

[Code_to_the_top]

Thank you so much!