diff --git a/docs/hyperopt.md b/docs/hyperopt.md
index 09d43939a..a693513d0 100644
--- a/docs/hyperopt.md
+++ b/docs/hyperopt.md
@@ -51,6 +51,7 @@ usage: freqtrade hyperopt [-h] [-v] [--logfile FILE] [-V] [-c PATH] [-d PATH]
                           [--print-all] [--no-color] [--print-json] [-j JOBS]
                           [--random-state INT] [--min-trades INT]
                           [--hyperopt-loss NAME] [--disable-param-export]
+                          [--ignore-missing-spaces]
 
 optional arguments:
   -h, --help            show this help message and exit
@@ -117,6 +118,9 @@ optional arguments:
                         SortinoHyperOptLoss, SortinoHyperOptLossDaily
   --disable-param-export
                         Disable automatic hyperopt parameter export.
+  --ignore-missing-spaces, --ignore-unparameterized-spaces
+                        Suppress errors for any requested Hyperopt spaces that
+                        do not contain any parameters.
 
 Common arguments:
   -v, --verbose         Verbose mode (-vv for more, -vvv to get all messages).
diff --git a/freqtrade/commands/cli_options.py b/freqtrade/commands/cli_options.py
index 1f49b779b..f8338bf6a 100644
--- a/freqtrade/commands/cli_options.py
+++ b/freqtrade/commands/cli_options.py
@@ -554,7 +554,8 @@ AVAILABLE_CLI_OPTIONS = {
     ),
     "hyperopt_ignore_missing_space": Arg(
         "--ignore-missing-spaces", "--ignore-unparameterized-spaces",
-        help="Suppress errors for any requested Hyperopt spaces that do not contain any parameters",
+        help=("Suppress errors for any requested Hyperopt spaces "
+              "that do not contain any parameters."),
         action="store_true",
     ),
 }