diff --git a/src/commands/bisect.cr b/src/commands/bisect.cr
index 43de875..af79f75 100644
--- a/src/commands/bisect.cr
+++ b/src/commands/bisect.cr
@@ -22,7 +22,7 @@ module Crimson::Commands
 
       add_alias "bi"
       add_usage "bisect [-F|--fail-first] [-o|--order <asc|desc|random>] [--from <version>]" \
-                "\n\t[--to <version>] [-p|--progress] <args>"
+                "\n\t[--to <version>] [-p|--progress] <args...>"
 
       add_argument "args", description: "the command to test", multiple: true, required: true
       add_option 'F', "fail-first", description: "exit early at the first failed test"
diff --git a/src/commands/install.cr b/src/commands/install.cr
index ae6bec2..98a8ad4 100644
--- a/src/commands/install.cr
+++ b/src/commands/install.cr
@@ -10,7 +10,7 @@ module Crimson::Commands
         DESC
 
       add_alias "in"
-      add_usage "install [-a|--alias <name>] [-f|--fetch] [-s|--switch] [version]"
+      add_usage "install [-a|--alias <name>] [-d|--default] [-f|--fetch] [-s|--switch] [version]"
 
       add_argument "version", description: "the version to install"
       add_option 'a', "alias", description: "set the alias of the version", type: :single
diff --git a/src/commands/setup.cr b/src/commands/setup.cr
index 89518e0..28aef0c 100644
--- a/src/commands/setup.cr
+++ b/src/commands/setup.cr
@@ -20,6 +20,8 @@ module Crimson::Commands
                         DESC
                      {% end %}
 
+      add_usage "setup [-s|--skip-dependencies] [-y|--yes]"
+
       add_option 's', "skip-dependencies", description: "skip installing external dependencies"
       add_option 'y', "yes", description: "allow all permission prompts"
     end
diff --git a/src/commands/switch.cr b/src/commands/switch.cr
index 9c3a785..c9feed0 100644
--- a/src/commands/switch.cr
+++ b/src/commands/switch.cr
@@ -19,7 +19,7 @@ module Crimson::Commands
       add_usage "switch --delete"
 
       add_argument "target", description: "the version or version alias to switch to"
-      add_option 'd', "delete", description: "remove this as"
+      add_option 'd', "delete", description: "remove the version as current"
     end
 
     def run(arguments : Cling::Arguments, options : Cling::Options) : Nil