[rules] clarify that units can not attack themselves

1 files changed, 4 insertions, 3 deletions

diff --git a/rules/en/rules.md b/rules/en/rules.md
index e8b54d51..762535ef 100644
--- a/rules/en/rules.md
+++ b/rules/en/rules.md
@@ -206,11 +206,12 @@ While you control an untapped card on the board or have a playable card in hand
 * More precisely: a **tile** (x, y), where x and y are relative to the its origin (0, 0), is in the **range** r iff $$x > y$$ and $$abs(x) + floor(abs(y) / 2)$$ else $$abs(y) + floor(abs(x) / 2)$$.
 * *Adjacent* is a common Abbreviation for "in **range** 1"
 
-# Fight
+# Combat
 
 * Is initialized with an **Unit's** **attack action** or an effect
-* A **fight** has always an *attacking* **unit** which is used to initialize the **fight**
-* When initializing a **fight** the **controller** *attacking* **Unit** declares the different *attacked* **Unit**
+* A **combat** has always an *attacking* **unit** which is used to initialize the **combat**
+* When initializing a **combat** the **controller** of the *attacking* **Unit** declares *attacked* **Unit**
+* *Attacking* and *attacked* **unit** must differ
 * The *attacked* **Unit** must be in **range** of the **attack** of the *attacking* **unit**
 * Both **units** deal damage equal to their **atack** to each other if possible
 * Damage can be changed by effects