diff --git a/README.md b/README.md
index a7dd71af..5f53b917 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ You can use command `Colorbox` to control the player with below subcommands:
 - `reinstall`: Clean & re-install all git submodules.
   - **Note:** use `concurrency=1` to specify the `concurrency` parameters.
 - `info`: Show detailed information and configured status.
-  - **Note:** use `scale=0.7` to specify popup window's size in range `(0, 1)`, by default is `scale=0.7`.
+  - **Note:** use `scale=0.7` to specify popup window's size in range `(0, 1]`, by default is `scale=0.7`.
 
 > [!NOTE]
 >
diff --git a/lua/colorbox.lua b/lua/colorbox.lua
index d115212f..2cf641ae 100644
--- a/lua/colorbox.lua
+++ b/lua/colorbox.lua
@@ -729,6 +729,7 @@ local function _info(args)
     opts = opts or { scale = 0.7 }
     opts.scale = type(opts.scale) == "string" and (tonumber(opts.scale) or 0.7)
         or 0.7
+    opts.scale = numbers.bound(opts.scale, 0, 1)
     logging.get("colorbox"):debug("|_info| opts:%s", vim.inspect(opts))
 
     local total_width = vim.o.columns