diff --git a/cmds/pxtrequire.ts b/cmds/pxtrequire.ts
index 227781fb..0eabce91 100644
--- a/cmds/pxtrequire.ts
+++ b/cmds/pxtrequire.ts
@@ -1,4 +1,4 @@
-///
+///
///
import * as path from "path";
diff --git a/sim/instructions.ts b/sim/instructions.ts
index 23a0c1cc..21620483 100644
--- a/sim/instructions.ts
+++ b/sim/instructions.ts
@@ -1,4 +1,4 @@
-///
+///
///
///
diff --git a/sim/visuals/ledmatrix.ts b/sim/visuals/ledmatrix.ts
index 70b11a3f..8614bb88 100644
--- a/sim/visuals/ledmatrix.ts
+++ b/sim/visuals/ledmatrix.ts
@@ -1,4 +1,4 @@
-///
+///
///
namespace pxsim.visuals {