Source

emacs / INSTALL

Diff from to
 character appear as a hollow box, that means you don't have a font for
 it.  You might find a font in the intlfonts distribution.  If some
 characters don't look right, or appear improperly aligned, a font
-fron the intlfonts distribution might look better.
+from the intlfonts distribution might look better.
 
 The intlfonts distribution contains its own installation instructions,
 in the intlfonts/README file.