diff --git a/runtime/src/main/cpp/KotlinMath.cpp b/runtime/src/main/cpp/KotlinMath.cpp
index b2edc827e0e..6346445edc0 100644
--- a/runtime/src/main/cpp/KotlinMath.cpp
+++ b/runtime/src/main/cpp/KotlinMath.cpp
@@ -34,7 +34,7 @@
 #if KONAN_NEED_ASINH_ACOSH
 namespace {
 
-    // MinGW's implmenetation if asinh/acosh function returns NaN for large arguments so we use another implementation.
+    // MinGW's implmenetation of asinh/acosh function returns NaN for large arguments so we use another implementation.
     // Both implementations derived from boost special math functions and are also used by Kotlin/JVM.
     // Copyright Eric Ford & Hubert Holin 2001.
 
diff --git a/runtime/src/main/cpp/KotlinMath.h b/runtime/src/main/cpp/KotlinMath.h
index 2e052052a1a..3662a38f5c3 100644
--- a/runtime/src/main/cpp/KotlinMath.h
+++ b/runtime/src/main/cpp/KotlinMath.h
@@ -23,6 +23,8 @@
 
 extern "C" {
 
+// TODO: consider auto-generating this header file.
+
 // Bridges for JS math.
 void knjs__Math_abs(KInt xUpper, KInt xLower);
 void knjs__Math_acos(KInt xUpper, KInt xLower);