Formatted all pages according to guidelines.

pages/common/rename.md

@@ -1,20 +1,20 @@
 # rename
 
-> renames multiple files
+> Renames multiple files.
 
-- Change foo to bar in matching filenames
+- Change foo to bar in matching filenames:
 
 `rename {{'s/foo/bar/'}} {{*.txt}}`
 
-- Convert to lower case
+- Convert to lower case:
 
 `rename -c {{*.txt}}`
 
-- Replace whitespace with underscores
+- Replace whitespace with underscores:
 
 `rename --nows {{*.txt}}`
 `rename 's/\s+/_/g' {{*.txt}}`
 
-- No action, just show what renames would occur
+- No action, just show what renames would occur:
 
 `rename -n {{'s/foo/bar/'}} {{*.txt}}`