diff --git a/cli/args/flags.rs b/cli/args/flags.rs
index f47d5b1212..08b48d1d5b 100644
--- a/cli/args/flags.rs
+++ b/cli/args/flags.rs
@@ -683,7 +683,7 @@ and report results to standard output:
   deno bench src/fetch_bench.ts src/signal_bench.ts
 
 Directory arguments are expanded to all contained files matching the \
-glob {*_,*.,}bench.{js,mjs,ts,jsx,tsx}:
+glob {*_,*.,}bench.{js,mjs,ts,mts,jsx,tsx}:
 
   deno bench src/",
     )
@@ -1599,7 +1599,7 @@ report results to standard output:
   deno test src/fetch_test.ts src/signal_test.ts
 
 Directory arguments are expanded to all contained files matching the glob
-{*_,*.,}test.{js,mjs,ts,jsx,tsx}:
+{*_,*.,}test.{js,mjs,ts,mts,jsx,tsx}:
 
   deno test src/",
     )