fix whitespace characters

README

@@ -45,7 +45,7 @@ Start reed-alert
 To start reed-alert
 
 + sbcl : **sbcl --script config_file.lisp**
-+ ecl  : **ecl -shell config_file.lisp**	
++ ecl  : **ecl -shell config_file.lisp**
 
 Personal Configuration File
 ---------------------------
@@ -127,8 +127,8 @@ As of this commit, reed-alert ships with the following probes:
 	(8) 	load-average-15
 	(9)	ping
 	(10)	command
-        (11)    service
-        (12)    file-less-than
+	(11)	service
+	(12)	file-less-than
 
 
 number-of-processes
@@ -157,10 +157,10 @@ Check if the disk-usage of a chosen partition does exceed a specific limit.
 
 > Set the mountpoint to check.
     :path "STRING"
-	
+
 > Set the limit that will trigger an alert when exceeded.
     :limit INTEGER
-	
+
 Example : `(=> alert disk-usage (:path "/tmp" :limit 50))`
 
 
@@ -180,10 +180,10 @@ Check if a file exists and has been updated since a defined time.
 
 > Set the path of the file to check.
     :path "STRING"
-	
+
 > Set the limit in minutes since the last modification time before triggering an alert.
     :limit INTEGER
-	
+
 Example : `(=> alert file-updated (:path "/var/log/nginx/access.log" :limit 60))`
 
 
@@ -223,7 +223,7 @@ Check if a remote host answers the 2 ICMP ping.
 
 > Set the host to ping. Return an error if ping command returns non-zero.
     :host "STRING" (can be IP or hostname)
-	
+
 Example : `(=> alert ping (:host "8.8.8.8"))`
 
 
@@ -251,8 +251,8 @@ Check if a file has a size less than a specified limit.
 
 > Set the path of the file to check.
     :path "STRING"
-	
+
 > Set the limit in bytes before triggering an alert.
     :limit INTEGER
-	
+
 Example : `(=> alert file-less-than (:path "/var/log/nginx/access.log" :limit 60))`