diff --git a/doc.go b/doc.go
index 36ca4e48..1e8f67ef 100644
--- a/doc.go
+++ b/doc.go
@@ -185,6 +185,7 @@ The following environment variables are exported for shell commands:
 	EDITOR
 	PAGER
 	SHELL
+	lf
 	lf_{option}
 	lf_user_{option}
 	lf_width
diff --git a/docstring.go b/docstring.go
index 57c5d4f4..81e35725 100644
--- a/docstring.go
+++ b/docstring.go
@@ -188,6 +188,7 @@ The following environment variables are exported for shell commands:
     EDITOR
     PAGER
     SHELL
+    lf
     lf_{option}
     lf_user_{option}
     lf_width
diff --git a/lf.1 b/lf.1
index b0643f23..6810b317 100644
--- a/lf.1
+++ b/lf.1
@@ -206,6 +206,7 @@ The following environment variables are exported for shell commands:
     EDITOR
     PAGER
     SHELL
+    lf
     lf_{option}
     lf_user_{option}
     lf_width