Minor doc fixes.
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 23ff88b..5a0a1c4 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -1550,10 +1550,10 @@
/* */
/* This image can later be converted into a bitmap by calling */
/* @FT_Render_Glyph. This function finds the current renderer for */
- /* the native image's format then invokes it. */
+ /* the native image's format, then invokes it. */
/* */
/* The renderer is in charge of transforming the native image through */
- /* the slot's face transformation fields, then convert it into a */
+ /* the slot's face transformation fields, then converting it into a */
/* bitmap that is returned in `slot->bitmap'. */
/* */
/* Note that `slot->bitmap_left' and `slot->bitmap_top' are also used */