diff --git a/differt2d/geometry.py b/differt2d/geometry.py
index 4a61a18..e6d4eeb 100644
--- a/differt2d/geometry.py
+++ b/differt2d/geometry.py
@@ -135,13 +135,6 @@ def segments_intersect(
     Array(True, dtype=bool)
     >>> segments_intersect(P1, P2, P3, P4, approx=True, function=sigmoid)
     Array(1., dtype=float32)
-
-    :References:
-
-    Code inspired from "Graphics Gems III - 1st Edition", section IV.6.
-
-    https://www.realtimerendering.com/resources/GraphicsGems/gemsiii/insectc.c
-    http://www.graphicsgems.org/
     """
     tol = jnp.asarray(tol)
     A = P2 - P1
diff --git a/docs/source/conf.py b/docs/source/conf.py
index c319fce..84b3b1c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -91,7 +91,7 @@
 }
 
 qtgallery_conf = {
-    "xvfb_size": (765, 775),
+    "xvfb_size": (1085, 775),
     "xvfb_color_depth": 24,
     "xfvb_use_xauth": False,
     "xfvb_extra_args": [],