update readme

README.md

@@ -12,7 +12,7 @@ Institute for Medical Education; University of Bern
 
 * Bash
 * curl in $PATH
-* jq in $PATH (optional for coloring json data)
+* jq in $PATH (optional for coloring json data; and a must for show_ttl.sh)
 
 ## Installation
 
@@ -74,7 +74,7 @@ Between the json data are lines starting with a semikolon - these are comments
 written to STDERR. To hide them add a 2>/dev/null to hide the comments.
 
 ```txt
-./dns-search.sh www.iml.unibe.ch
+> ./dns-search.sh www.iml.unibe.ch
 ;
 ; >>>>>>>>>> INFOBLOX DNS SEARCH v1.5
 ;
@@ -115,14 +115,18 @@ written to STDERR. To hide them add a 2>/dev/null to hide the comments.
 This helper searches for all **host** entries that override the default
 ttl value for the zone objects.
 
+This functionality requires `jq`.
+
 ```txt
+> ./show_ttls.sh 
 
->>>>>>>>>> INFOBLOX DNS HELPER: TTL v1.0
+>>>>>>>>>> INFOBLOX DNS HELPER: TTL v1.1
 
 Search for hostnames in Infoblox API and show all hosts that have an
 activated custom ttl value.
 
 It uses dns-api.sh and adds the return field for aliases.
+The filter functionality of json data requires jq.
 
 SYNTAX: dns-search.sh REGEX