Tidy up news

NEWS

@@ -1,21 +1,21 @@
 stringr 0.4
 ===========
 
+ * all functions now vectorised with respect to string, pattern (and
+   where appropriate) replacement parameters
  * fixed() function now tells stringr functions to use fixed matching, rather
-   than escaping regular expression.  Should have improve performance for 
-   large vectors
+   than escaping the regular expression.  Should improve performance for 
+   large vectors.
  * new ignore.case() modifier tells stringr functions to ignore case of
-   pattern
- * all functions are now vectorised with respect to string, pattern (and
-   where appropriate) replacement parameters
+   pattern.
  * str_replace renamed to str_replace_all and new str_replace function added.
    This makes str_replace consistent with all functions.
  * new str_sub<- function (analogous to substring<-) for substring replacement
  * str_sub now understands negative positions as a position from the end of
    the string. -1 replaces Inf as indicator for string end.
  * str_pad side argument can be left, right, or both (instead of center)
  * str_trim gains side argument to better match str_pad
- * stringr now has namespace
+ * stringr now has a namespace
 
 stringr 0.3
 ===========