Update dashboard.py

dashboard.py

@@ -628,8 +628,7 @@ Open the VOSViewer left panel to customize the visualization and/or search for a
 
 
 ## Research Tasks and Methods Trend
-The "Research Tasks and Methods Trend" shows the evolution over time of the most prominent TASK and METHOD entities extracted from research papers for each of the 16 AECO macro topics. It plots
-annual time series of the occurrence ratio for each triple target entity (Task or Method) to the number of papers of the macro topic.
+The "Research Tasks and Methods Trend" shows the evolution over time of the most prominent TASK and METHOD entities extracted from research papers for each of the 16 AECO macro topics. It plots annual time series of the occurrence ratio for each triple target entity (Task or Method) to the number of papers of the macro topic.