diff --git a/code/nel/tools/3d/s3tc_compressor_lib/s3tc_compressor.cpp b/code/nel/tools/3d/s3tc_compressor_lib/s3tc_compressor.cpp
index 1ffeabf77..74e89be1e 100644
--- a/code/nel/tools/3d/s3tc_compressor_lib/s3tc_compressor.cpp
+++ b/code/nel/tools/3d/s3tc_compressor_lib/s3tc_compressor.cpp
@@ -43,6 +43,7 @@ static void		compressMipMap(uint8 *pixSrc, sint width, sint height, vector<uint8
 		case DXT1A:
 			flags |= squish::kDxt1;
 			dest.ddpf.dwFourCC = MAKEFOURCC('D', 'X', 'T', '1');
+			// TODO: add special headers flags for DXTC1a
 			break;
 		case DXT3:
 			flags |= squish::kDxt3;
diff --git a/code/nel/tools/3d/tga_2_dds/tga2dds.cpp b/code/nel/tools/3d/tga_2_dds/tga2dds.cpp
index f51e1aa04..de8b0b602 100644
--- a/code/nel/tools/3d/tga_2_dds/tga2dds.cpp
+++ b/code/nel/tools/3d/tga_2_dds/tga2dds.cpp
@@ -463,6 +463,7 @@ int main(int argc, char **argv)
 	}
 	else
 	{
+		// TODO: if alpha channel is 0, use DXTC1a instead DXTC1
 		if(imageDepth==24)
 			algo = DXT1;
 		else