Update README.md

Signed-off-by: Fabiana 🚀  Campanari <[email protected]>

Author: FabianaCampanari

README.md

@@ -1053,7 +1053,7 @@ x_1 \geq 0 \text{ e } x_2 \geq 0
 
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-## IX - [Transportation Problem (Linear Programming)]()
+# IX - [Transportation Problem (Linear Programming)]()
 
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