Fix typo in help menu for the reactivate command (#3932)

Author: ickc

libmamba/data/mamba.fish

@@ -191,7 +191,7 @@ __fish_mamba_complete_subcmds '__fish_mamba_has_command shell' '
   reinit                      Restore activation script from rc files
   hook                        Micromamba hook scripts
   activate                    Output activation code for the given shell
-  reactivate                  Output reactivateion code for the given shell
+  reactivate                  Output reactivation code for the given shell
   deactivate                  Output deactivation code for the given shell
   enable_long_path_support    Output deactivation code for the given shell
 '

micromamba/src/shell.cpp

@@ -407,7 +407,7 @@ set_shell_command(CLI::App* shell_subcmd, Configuration& config)
 
     auto* reacti_subsubcmd = shell_subcmd->add_subcommand(
         "reactivate",
-        "Output reactivateion code for the given shell"
+        "Output reactivation code for the given shell"
     );
     set_shell_reactivate_command(reacti_subsubcmd, config);