diff --git a/libopenjpeg/jp2.c b/libopenjpeg/jp2.c
index a53e3f5c..37faec02 100644
--- a/libopenjpeg/jp2.c
+++ b/libopenjpeg/jp2.c
@@ -175,7 +175,7 @@ static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_bo
 	}
 	if (box->length < 0) {
 		opj_event_msg(cinfo, EVT_ERROR, "Integer overflow in box->length\n");
-		return OPJ_FALSE; // TODO: actually check jp2_read_boxhdr's return value
+		return OPJ_FALSE; /* TODO: actually check jp2_read_boxhdr's return value */
 	}
 	
 	return OPJ_TRUE;
diff --git a/libopenjpeg/t1_generate_luts.c b/libopenjpeg/t1_generate_luts.c
index 39880414..34f0fca7 100644
--- a/libopenjpeg/t1_generate_luts.c
+++ b/libopenjpeg/t1_generate_luts.c
@@ -194,7 +194,7 @@ int main(){
 
 	printf("/* This file was automatically generated by t1_generate_luts.c */\n\n");
 
-	// lut_ctxno_zc
+	/* lut_ctxno_zc */
 	for (j = 0; j < 4; ++j) {
 		for (i = 0; i < 256; ++i) {
 			int orient = j;