diff --git a/src/ui/widgets/graph.py b/src/ui/widgets/graph.py
index 75cc60c..5c96025 100644
--- a/src/ui/widgets/graph.py
+++ b/src/ui/widgets/graph.py
@@ -25,6 +25,8 @@ class GraphWidget(QtWidgets.QWidget):
         self.toolbar = NavigationToolbar(self.graph, self)
         # set legend
         self.graph.axes.legend(legend_labels, loc="upper left")
+        #set x-axis text to be slanted
+        self.graph.axes.set_xticklabels(data["x"], rotation=45, ha="right")
         # set the layout
         layout = QtWidgets.QVBoxLayout()
         layout.addWidget(self.toolbar)
@@ -40,7 +42,7 @@ if __name__ == "__main__":
 
     app = QtWidgets.QApplication(sys.argv)
     data = {
-        "x": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
+        "x": ["A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "A10"],
         "y": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
         "y2": [10, 9, 8, 7, 6, 5, 4, 3, 2, 1],
     }