Reformatted pages once more

pages/common/while.md

@@ -1,11 +1,11 @@
 # while
 
-> Simple shell loop
+> Simple shell loop.
 
-- Read stdin and perform an action on every line.
+- Read stdin and perform an action on every line:
 
 `while read line; do echo "$line"; done`
 
-- Execute a command forever once every second.
+- Execute a command forever once every second:
 
 `while :; do {{command}}; sleep 1; done`