diff --git a/index.d.ts b/index.d.ts
index 4f97549..5608d14 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -105,7 +105,7 @@ type InferArguments<S extends string> = S extends `${infer First} ${infer Rest}`
   ? [InferArgument<First>, ...InferArguments<TrimLeft<Rest>>]
   : [InferArgument<S>];
 
-type InferCommmandArguments<S extends string> =
+type InferCommandArguments<S extends string> =
   S extends `${string} ${infer Args}` ? InferArguments<TrimLeft<Args>> : [];
 
 type FlagsToFlag<Flags extends string> =
@@ -679,7 +679,7 @@ export class Command<Args extends any[] = [], Opts extends OptionValues = {}> {
   command<Usage extends string>(
     nameAndArgs: Usage,
     opts?: CommandOptions,
-  ): Command<[...InferCommmandArguments<Usage>]>;
+  ): Command<[...InferCommandArguments<Usage>]>;
   /**
    * Define a command, implemented in a separate executable file.
    *