From 29da1e2033102e18a9a710645666b05beeed8753 Mon Sep 17 00:00:00 2001
From: Akash Pandit <34327539+akash-pandit@users.noreply.github.com>
Date: Mon, 10 Nov 2025 13:29:13 -0800
Subject: [PATCH] ac.pl.fragment_histogram arg typo

parameter name is 'region' not 'regions'
---
 docs/source/omics/atac.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/omics/atac.rst b/docs/source/omics/atac.rst
index ed6d0b1..f79fb41 100644
--- a/docs/source/omics/atac.rst
+++ b/docs/source/omics/atac.rst
@@ -28,7 +28,7 @@ Fragment size distribution typically reflects nucleosome binding pattern showing
 Fragment size distribution can be estimated from a subset of data and plotted with :func:`muon.atac.pl.fragment_histogram`, and the *nucleosome signal* can visualised with a general function :func:`mu.pl.histogram`:
 ::
 	# Plot fragment size distribution
-	ac.pl.fragment_histogram(atac, regions="chr1:1-2000000")
+	ac.pl.fragment_histogram(atac, region="chr1:1-2000000")
 
 	# Plot nucleosome signal distribution across cells
 	ac.tl.nucleosome_signal(atac, n=1e6)