Update wbs_diagram_generator.py

wbs_diagram_generator.py

@@ -132,7 +132,7 @@ def generate_wbs_diagram(json_input: str) -> str:
                 'splines': 'ortho',     # Straight lines
                 'bgcolor': 'white',     # White background
                 'pad': '0.5',           # Padding
-                'ranksep': '0.8',       # Adjust vertical separation between ranks
+                'ranksep': '0.6',       # Adjust vertical separation between ranks
                 'nodesep': '0.5'        # Adjust horizontal separation between nodes
             }
         )