update 4

calling-convention/Output-explanation.md

@@ -51,6 +51,7 @@ Collected result: {'result': {'type': 'result', 'value': 99}}
 ```
 
 **Explanation:**
+
 Spider provides 6 registers for passing arguments: RA, RB, RC, RD, R8, R9.
 The first 6 arguments (a through f) fill all available registers.
 Arguments `g` and `h`, which are 64-bit values, have no registers left and
@@ -79,6 +80,7 @@ Collected result: {'ok': {'type': 'result', 'value': True}}
 ```
 
 **Explanation:**
+
 Booleans (1-bit values) are not placed individually into registers.
 Instead they are accumulated into a queue and packed together before
 occupying a single register. The 3 boolean flags (flag1, flag2, flag3)