diff --git a/filter/xbrz.cpp b/filter/xbrz.cpp
index e5d5d7bc..d439389d 100644
--- a/filter/xbrz.cpp
+++ b/filter/xbrz.cpp
@@ -414,7 +414,7 @@ void blendPixel(const Kernel_3x3& ker,
                 return true;
 
             //make sure there is no second blending in an adjacent rotation for this pixel: handles insular pixels, mario eyes
-            if (getTopR(blend) != BLEND_NONE && !eq(e, g)) //but support double-blending for 90° corners
+            if (getTopR(blend) != BLEND_NONE && !eq(e, g)) //but support double-blending for 90 degree corners
                 return false;
             if (getBottomL(blend) != BLEND_NONE && !eq(e, c))
                 return false;
@@ -1269,4 +1269,4 @@ void bilinearScaleAmp(const uint32_t* src, int srcWidth, int srcHeight, //throw
     });
     trgView.synchronize(); //throw ?
 }
-#endif
\ No newline at end of file
+#endif