Typo

Originally committed as revision 9329 to svn://svn.ffmpeg.org/ffmpeg/trunk

doc/hooks.texi

@@ -78,12 +78,12 @@ Options:
 @item @option{-F <fontname>}  @tab The font face and size
 @item @option{-t <text>}      @tab The text
 @item @option{-f <filename>}  @tab The filename to read text from
-@item @option{-x <expresion>} @tab x coordinate of text or image
-@item @option{-y <expresion>} @tab y coordinate of text or image
+@item @option{-x <expression>}@tab x coordinate of text or image
+@item @option{-y <expression>}@tab y coordinate of text or image
 @item @option{-i <filename>}  @tab The filename to read a image from
 @end multitable
 
-Expresions are functions of these variables:
+Expressions are functions of these variables:
 @multitable @columnfractions .2 .8
 @item @var{N} @tab frame number (starting at zero)
 @item @var{H} @tab frame height

vhook/imlib2.c

@@ -23,11 +23,11 @@
  * -F <fontname>        The font face and size
  * -t <text>            The text
  * -f <filename>        The filename to read text from
- * -x <expresion>       X coordinate of text or image
- * -y <expresion>       Y coordinate of text or image
+ * -x <expression>      X coordinate of text or image
+ * -y <expression>      Y coordinate of text or image
  * -i <filename>        The filename to read a image from
  *
- * Expresions are functions of:
+ * Expressions are functions of:
  *      N  // frame number (starting at zero)
  *      H  // frame height
  *      W  // frame width