From 1b0d448c6e1eb2df1a3d364fcb8a71e30a9f53cf Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sun, 12 Apr 2026 09:57:26 +0900
Subject: [PATCH] Update README: --tmux -> --popup

---
 README.md | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

diff --git a/README.md b/README.md
index f0f7f63d..fdd6c5ef 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Table of Contents
     * [Using the finder](#using-the-finder)
     * [Display modes](#display-modes)
         * [`--height` mode](#--height-mode)
-        * [`--tmux` mode](#--tmux-mode)
+        * [`--popup` mode](#--popup-mode)
     * [Search syntax](#search-syntax)
     * [Environment variables](#environment-variables)
     * [Customizing the look](#customizing-the-look)
@@ -350,23 +350,24 @@ Height value can be a negative number.
 fzf --height -3
 ```
 
-#### `--tmux` mode
+#### `--popup` mode
 
-With `--tmux` option, fzf will start in a tmux popup.
+With `--popup` option, fzf will start in a popup window
+(requires tmux 3.3+ or Zellij 0.44+).
 
 ```sh
-# --tmux [center|top|bottom|left|right][,SIZE[%]][,SIZE[%][,border-native]]
+# --popup [center|top|bottom|left|right][,SIZE[%]][,SIZE[%][,border-native]]
 
-fzf --tmux center         # Center, 50% width and height
-fzf --tmux 80%            # Center, 80% width and height
-fzf --tmux 100%,50%       # Center, 100% width and 50% height
-fzf --tmux left,40%       # Left, 40% width
-fzf --tmux left,40%,90%   # Left, 40% width, 90% height
-fzf --tmux top,40%        # Top, 40% height
-fzf --tmux bottom,80%,40% # Bottom, 80% width, 40% height
+fzf --popup center         # Center, 50% width and height
+fzf --popup 80%            # Center, 80% width and height
+fzf --popup 100%,50%       # Center, 100% width and 50% height
+fzf --popup left,40%       # Left, 40% width
+fzf --popup left,40%,90%   # Left, 40% width, 90% height
+fzf --popup top,40%        # Top, 40% height
+fzf --popup bottom,80%,40% # Bottom, 80% width, 40% height
 ```
 
-`--tmux` is silently ignored when you're not on tmux.
+`--popup` is silently ignored when you're not on tmux or Zellij.
 
 > [!NOTE]
 > If you're stuck with an old version of tmux that doesn't support popup,
@@ -378,8 +379,8 @@ fzf --tmux bottom,80%,40% # Bottom, 80% width, 40% height
 > default. For example,
 >
 > ```sh
-> # Open in tmux popup if on tmux, otherwise use --height mode
-> export FZF_DEFAULT_OPTS='--height 40% --tmux bottom,40% --layout reverse --border top'
+> # Open in a popup if on tmux or Zellij, otherwise use --height mode
+> export FZF_DEFAULT_OPTS='--height 40% --popup bottom,40% --layout reverse --border top'
 > ```
 
 ### Search syntax
@@ -566,7 +567,7 @@ the following key bindings in bash, zsh, and fish.
 
 Display modes for these bindings can be separately configured via
 `FZF_{CTRL_T,CTRL_R,ALT_C}_OPTS` or globally via `FZF_DEFAULT_OPTS`.
-(e.g. `FZF_CTRL_R_OPTS='--tmux bottom,60% --height 60% --border top'`)
+(e.g. `FZF_CTRL_R_OPTS='--popup bottom,60% --height 60% --border top'`)
 
 More tips can be found on [the wiki page](https://github.com/junegunn/fzf/wiki/Configuring-shell-key-bindings).