diff --git a/src/lib/sw_engine/tvgSwRaster.cpp b/src/lib/sw_engine/tvgSwRaster.cpp
index 2262a787..4fe13460 100644
--- a/src/lib/sw_engine/tvgSwRaster.cpp
+++ b/src/lib/sw_engine/tvgSwRaster.cpp
@@ -158,7 +158,7 @@ static bool _translucentRectInvAlphaMask(SwSurface* surface, const SwBBox& regio
     auto w = static_cast<uint32_t>(region.max.x - region.min.x);
 
 #ifdef THORVG_LOG_ENABLED
-    printf("SW_ENGINE: Rectangle Alpha Mask Composition\n");
+    printf("SW_ENGINE: Rectangle Inverse Alpha Mask Composition\n");
 #endif
 
     auto cbuffer = surface->compositor->image.data + (region.min.y * surface->stride) + region.min.x;   //compositor buffer
@@ -257,7 +257,7 @@ static bool _translucentRleAlphaMask(SwSurface* surface, const SwRleData* rle, u
 static bool _translucentRleInvAlphaMask(SwSurface* surface, SwRleData* rle, uint32_t color)
 {
 #ifdef THORVG_LOG_ENABLED
-    printf("SW_ENGINE: Rle Alpha Mask Composition\n");
+    printf("SW_ENGINE: Rle Inverse Alpha Mask Composition\n");
 #endif
     auto span = rle->spans;
     uint32_t src;
@@ -443,7 +443,7 @@ static bool _translucentImageAlphaMask(SwSurface* surface, const uint32_t *img,
 static bool _translucentImageInvAlphaMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform)
 {
 #ifdef THORVG_LOG_ENABLED
-    printf("SW_ENGINE: Transformed Image Alpha Mask Composition\n");
+    printf("SW_ENGINE: Transformed Image Inverse Alpha Mask Composition\n");
 #endif
     for (auto y = region.min.y; y < region.max.y; ++y) {
         auto dst = &surface->buffer[y * surface->stride + region.min.x];
@@ -522,7 +522,7 @@ static bool _translucentImageInvAlphaMask(SwSurface* surface, uint32_t *img, uin
     auto w2 = static_cast<uint32_t>(region.max.x - region.min.x);
 
 #ifdef THORVG_LOG_ENABLED
-    printf("SW_ENGINE: Image Alpha Mask Composition\n");
+    printf("SW_ENGINE: Image Inverse Alpha Mask Composition\n");
 #endif
 
     auto sbuffer = img + (region.min.y * w) + region.min.x;