update install commands

LiamConnors · LiamConnors · commit 551eaa68db5a · 2025-04-30T15:35:39.000-04:00
diff --git a/doc/python/getting-started.md b/doc/python/getting-started.md
@@ -193,7 +193,7 @@ The [`kaleido`](https://github.com/plotly/Kaleido) package has no dependencies a
 using pip...
 
 ```
-$ pip install -U kaleido
+$ pip install --upgrade kaleido
 ```
 
 or conda.
diff --git a/doc/python/static-image-export.md b/doc/python/static-image-export.md
@@ -45,7 +45,7 @@ This page demonstrates how to export interactive Plotly figures to static image
 Static image generation requires [Kaleido](https://github.com/plotly/Kaleido).
 Install Kaleido with pip:
 ```
-$ pip install -U kaleido
+$ pip install --upgrade kaleido
 ```
 or with conda:
 ```
diff --git a/doc/python/static-image-generation-migration.md b/doc/python/static-image-generation-migration.md
@@ -43,7 +43,7 @@ While adding support for Kaleido v1, we are deprecating support for earlier vers
 To migrate from either Orca or Kaleido v0, first install the latest Kaleido with:
 
 ```bash
-pip install -U kaleido
+pip install --upgrade kaleido
 ```
 
 ## Engine Parameter
