get rid of ambiguous unicode chars

docs/atak-itak.md

@@ -21,11 +21,11 @@ KestrelOS acts as a **TAK Server**. ATAK (Android) and iTAK (iOS) connect on **p
 
 ## iTAK (iOS)
 
-**Option A — QR code (easiest):**
+**Option A - QR code (easiest):**
 1. KestrelOS **Settings** → **TAK Server** → Scan QR with iTAK
 2. Enter username/password when prompted
 
-**Option B — Manual:**
+**Option B - Manual:**
 1. **Settings** → **Network** → Add **TAK Server**
 2. Set **Host**, **Port** (`8089`), enable SSL if needed
 3. Enable **Use Authentication**, enter username/password