diff --git a/install.sh b/install.sh
index b9aabd8..671ace6 100755
--- a/install.sh
+++ b/install.sh
@@ -31,9 +31,10 @@ usage() {
   helpify "-a, --alt"            "[$(IFS='|'; echo "${ALT_VARIANTS[*]}")|all]"        "Set window control buttons variant"               "Repeatable. Default is 'normal'"
   helpify "-t, --theme"          "[$(IFS='|'; echo "${THEME_VARIANTS[*]}")|all]"      "Set theme accent color"                           "Repeatable. Default is BigSur-like theme"
   helpify "-p, --panel"          "[$(IFS='|'; echo "${PANEL_OPACITY_VARIANTS[*]}")]"  "Set panel transparency"                           "Default is 15%"
-  helpify "-s, --size"           "[$(IFS='|'; echo "${SIDEBAR_SIZE_VARIANTS[*]}")]"   "Set Nautilus sidebar minimum width"                       "Default is 200px"
+  helpify "-s, --size"           "[$(IFS='|'; echo "${SIDEBAR_SIZE_VARIANTS[*]}")]"   "Set Nautilus sidebar minimum width"               "Default is 200px"
   helpify "-i, --icon"           "[$(IFS='|'; echo "${ICON_VARIANTS[*]}")]"           "Set 'Activities' icon"                            "Default is 'standard'"
   helpify "-N, --nautilus-style" "[$(IFS='|'; echo "${NAUTILUS_STYLE_VARIANTS[*]}")]" "Set Nautilus style"                               "Default is BigSur-like style"
+  helpify "-R, --round"                   ""                                          "Set maximized window to rounded"                  "Default is square"
   helpify "--dialog, --interactive"       ""                                          "Run this installer interactively, with dialogs"   ""
   helpify "-r, --remove, -u, --uninstall" ""                                          "Remove all installed ${THEME_NAME} themes"        ""
   helpify "-h, --help"                    ""                                          "Show this help"                                   ""