diff --git a/tools/filesystem/file_test.go b/tools/filesystem/file_test.go
index 904c2a07..b5bca2ce 100644
--- a/tools/filesystem/file_test.go
+++ b/tools/filesystem/file_test.go
@@ -218,7 +218,7 @@ func TestFileNameNormalizations(t *testing.T) {
 		{".abcd.123.", `^abcd_\w{10}\.123$`},
 		{"a  b! c d  . 456", `^a_b_c_d_\w{10}\.456$`},                                              // normalize spaces
 		{strings.Repeat("a", 101) + "." + strings.Repeat("b", 21), `^a{100}_\w{10}\.b{20}$`},       // name and extension length cut
-		{"abc" + strings.Repeat("d", 290) + "." + strings.Repeat("b", 9), `^d{100}_\w{10}\.b{9}$`}, // initial total lenght cut
+		{"abc" + strings.Repeat("d", 290) + "." + strings.Repeat("b", 9), `^d{100}_\w{10}\.b{9}$`}, // initial total length cut
 	}
 
 	for i, s := range scenarios {