From e14048d4efe6fa0ec145b34d3f155c8194ad3666 Mon Sep 17 00:00:00 2001
From: jemmajeffree <98864717+jemmajeffree@users.noreply.github.com>
Date: Fri, 25 Jul 2025 19:31:09 +1000
Subject: [PATCH 1/2] Update open_mfdataset docstring

---
 xarray/backends/api.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xarray/backends/api.py b/xarray/backends/api.py
index cfd3ff7fc0f..8b21f5a33f4 100644
--- a/xarray/backends/api.py
+++ b/xarray/backends/api.py
@@ -1494,10 +1494,10 @@ def open_mfdataset(
     chunks : int, dict, 'auto' or None, optional
         Dictionary with keys given by dimension names and values given by chunk sizes.
         In general, these should divide the dimensions of each dataset. If int, chunk
-        each dimension by ``chunks``. By default, chunks will be chosen to load entire
-        input files into memory at once. This has a major impact on performance: please
-        see the full documentation for more details [2]_. This argument is evaluated
-        on a per-file basis, so chunk sizes that span multiple files will be ignored.
+        each dimension by ``chunks``. By default, chunks will be chosen to match the 
+        chunks on disk. This may impact performance: please see the full documentation 
+        for more details [2]_. This argument is evaluated on a per-file basis, so chunk 
+        sizes that span multiple files will be ignored.
     concat_dim : str, DataArray, Index or a Sequence of these or None, optional
         Dimensions to concatenate files along.  You only need to provide this argument
         if ``combine='nested'``, and if any of the dimensions along which you want to

From 16be93ea0d434ed7a90de5e2ac282935ac563219 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Fri, 25 Jul 2025 09:43:25 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 xarray/backends/api.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xarray/backends/api.py b/xarray/backends/api.py
index 8b21f5a33f4..1fd75dbbfa5 100644
--- a/xarray/backends/api.py
+++ b/xarray/backends/api.py
@@ -1494,9 +1494,9 @@ def open_mfdataset(
     chunks : int, dict, 'auto' or None, optional
         Dictionary with keys given by dimension names and values given by chunk sizes.
         In general, these should divide the dimensions of each dataset. If int, chunk
-        each dimension by ``chunks``. By default, chunks will be chosen to match the 
-        chunks on disk. This may impact performance: please see the full documentation 
-        for more details [2]_. This argument is evaluated on a per-file basis, so chunk 
+        each dimension by ``chunks``. By default, chunks will be chosen to match the
+        chunks on disk. This may impact performance: please see the full documentation
+        for more details [2]_. This argument is evaluated on a per-file basis, so chunk
         sizes that span multiple files will be ignored.
     concat_dim : str, DataArray, Index or a Sequence of these or None, optional
         Dimensions to concatenate files along.  You only need to provide this argument