diff --git a/complete.go b/complete.go
index 599323e..5bd6dab 100644
--- a/complete.go
+++ b/complete.go
@@ -60,7 +60,7 @@ var (
 		"echomsg",
 		"echoerr",
 		"cd",
-		"get-dirsize",
+		"calcdirsize",
 		"select",
 		"glob-select",
 		"glob-unselect",
diff --git a/doc.go b/doc.go
index f041ba3..fc9e25c 100644
--- a/doc.go
+++ b/doc.go
@@ -31,7 +31,7 @@ The following commands are provided by lf:
     unselect                 (default 'u')
     glob-select
     glob-unselect
-    get-dirsize
+    calcdirsize
     copy                     (default 'y')
     cut                      (default 'd')
     paste                    (default 'p')
@@ -277,7 +277,7 @@ Select files that match the given glob.
 
 Unselect files that match the given glob.
 
-    get-dirsize
+    calcdirsize
 
 Get the total size for each of the selected directories.
 
diff --git a/docstring.go b/docstring.go
index eafd161..3999f62 100644
--- a/docstring.go
+++ b/docstring.go
@@ -35,7 +35,7 @@ The following commands are provided by lf:
     unselect                 (default 'u')
     glob-select
     glob-unselect
-    get-dirsize
+    calcdirsize
     copy                     (default 'y')
     cut                      (default 'd')
     paste                    (default 'p')
@@ -289,7 +289,7 @@ Select files that match the given glob.
 
 Unselect files that match the given glob.
 
-    get-dirsize
+    calcdirsize
 
 Get the total size for each of the selected directories.
 
diff --git a/eval.go b/eval.go
index b9e754f..0ad2595 100644
--- a/eval.go
+++ b/eval.go
@@ -919,10 +919,10 @@ func (e *callExpr) eval(app *app, args []string) {
 		app.nav.invert()
 	case "unselect":
 		app.nav.unselect()
-	case "get-dirsize":
+	case "calcdirsize":
 		err := app.nav.getDirSize()
 		if err != nil {
-			app.ui.echoerrf("get-dirsize: %s", err)
+			app.ui.echoerrf("calcdirsize: %s", err)
 			return
 		}
 		app.ui.loadFileInfo(app.nav)
diff --git a/lf.1 b/lf.1
index dbe9311..773090f 100644
--- a/lf.1
+++ b/lf.1
@@ -47,7 +47,7 @@ The following commands are provided by lf:
     unselect                 (default 'u')
     glob-select
     glob-unselect
-    get-dirsize
+    calcdirsize
     copy                     (default 'y')
     cut                      (default 'd')
     paste                    (default 'p')
@@ -324,7 +324,7 @@ Select files that match the given glob.
 Unselect files that match the given glob.
 .PP
 .EX
-    get-dirsize
+    calcdirsize
 .EE
 .PP
 Get the total size for each of the selected directories.