Update README.md

README.md

@@ -1,11 +1,12 @@
-## Carmignac — Data Repair Pipeline
+# Carmignac × ENSAE Data Challenge 2025.
+
+## 1 - Data Repair Pipeline
 
 Registrar Account ID repair for AUM and Flows data.  
-Carmignac × ENSAE Data Challenge 2025.
 
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-### Problem
+### 1.1 - Problem
 
 AUM and Flows tables must satisfy the stock-flow identity for every `(account, ISIN, month)`:
 
@@ -17,7 +18,7 @@ In practice this identity is violated because Registrar Account IDs change over
 
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-### Files
+### 1.2 - Files
 
 | File | Role |
 |------|------|
@@ -28,7 +29,7 @@ In practice this identity is violated because Registrar Account IDs change over
 
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-### Usage
+### 1.3 - Usage
 
 Run in order:
 
@@ -58,7 +59,7 @@ python carmignac_analysis.py \
 
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-### Outputs
+### 1.4 - Outputs
 
 | File | Content |
 |------|---------|
@@ -75,7 +76,7 @@ python carmignac_analysis.py \
 
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-### Key parameters
+### 1.5 - Key parameters
 
 | Parameter | Value | Role |
 |-----------|-------|------|