Ah, I forgot something.
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index c0e5112..de276d1 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -3068,7 +3068,7 @@ FT_BEGIN_HEADER
/* and apply gamma to get them in a linear space, */
/* */
/* 2. use OVER to blend the two linear colors using the glyph pixel */
- /* as the alpha value (remember, the glyph bitmap is a coverage */
+ /* as the alpha value (remember, the glyph bitmap is an alpha coverage */
/* bitmap), and */
/* */
/* 3. apply inverse gamma to the blended pixel and write it back to */
diff --git a/include/freetype/ftlcdfil.h b/include/freetype/ftlcdfil.h
index 91facf9..a095ae5 100644
--- a/include/freetype/ftlcdfil.h
+++ b/include/freetype/ftlcdfil.h
@@ -50,7 +50,9 @@ FT_BEGIN_HEADER
* subpixels are color pixels, using them unfiltered creates severe
* color fringes. Use the @FT_Library_SetLcdFilter API to specify a
* low-pass filter, which is then applied to subpixel-rendered bitmaps
- * generated through @FT_Render_Glyph.
+ * generated through @FT_Render_Glyph. The filter will sacrifice some of
+ * the higher resolution to reduce color fringes, making the glyph image
+ * slightly blurrier. Positional improvements will remain.
*
* Note that no filter is active by default, and that this function is
* *not* implemented in default builds of the library. You need to
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