diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 56097a98cf..147b42a91f 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -4038,6 +4038,10 @@ A jump table for the options with a short description can be found at |Q_op|.
 		1: only if there are at least two windows
 		2: always
 		3: always and ONLY the last window
+
+	Here "last window" means the last window in a column, i.e. the bottom-
+	most one, just above the command line.
+
 	The screen looks nicer with a status line if you have several
 	windows, but it takes another screen line. |status-line|
 
diff --git a/runtime/lua/vim/_meta/options.gen.lua b/runtime/lua/vim/_meta/options.gen.lua
index 0279bc713f..a16149089c 100644
--- a/runtime/lua/vim/_meta/options.gen.lua
+++ b/runtime/lua/vim/_meta/options.gen.lua
@@ -3965,6 +3965,10 @@ vim.go.lrm = vim.go.langremap
 --- 	1: only if there are at least two windows
 --- 	2: always
 --- 	3: always and ONLY the last window
+---
+--- Here "last window" means the last window in a column, i.e. the bottom-
+--- most one, just above the command line.
+---
 --- The screen looks nicer with a status line if you have several
 --- windows, but it takes another screen line. `status-line`
 ---
diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index e291c8dd74..d429a34779 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -5377,6 +5377,10 @@ local options = {
         	1: only if there are at least two windows
         	2: always
         	3: always and ONLY the last window
+
+        Here "last window" means the last window in a column, i.e. the bottom-
+        most one, just above the command line.
+
         The screen looks nicer with a status line if you have several
         windows, but it takes another screen line. |status-line|
       ]=],