diff --git a/docs/difference-in-differences.qmd b/docs/difference-in-differences.qmd
index 26b1a273..31c23e46 100644
--- a/docs/difference-in-differences.qmd
+++ b/docs/difference-in-differences.qmd
@@ -118,7 +118,8 @@ pf.panelview(
     time="year",
     treat="treat",
     collapse_to_cohort=True,
-    title = "Outcome Plot"
+    title = "Outcome Plot",
+    figsize=(1, 0.5),
 )
 ```