--- a/src/pt-mat.cc
+++ b/src/pt-mat.cc
@@ -1125,11 +1125,11 @@
 
 DEFUN (string_fill_char, args, nargout,
   "-*- texinfo -*-\n\
-@deftypefn {Built-in Function} {@var{val} =} string_fill_char ()\n\
+@deftypefn  {Built-in Function} {@var{val} =} string_fill_char ()\n\
 @deftypefnx {Built-in Function} {@var{old_val} =} string_fill_char (@var{new_val})\n\
 Query or set the internal variable used to pad all rows of a character\n\
 matrix to the same length.  It must be a single character.  The default\n\
-value is @code{\" \"} (a single space).  For example,\n\
+value is @code{\" \"} (a single space).  For example:\n\
 \n\
 @example\n\
 @group\n\