Update README.md

README.md

@@ -6,10 +6,10 @@ This check is based on the snmp_uptime check form CMK 2.0. It adds the SNMP-FRAM
 snmpEngineTime : The number of seconds since the value of the snmpEngineBoots object last changed. When
                  incrementing this object's value would cause it to exceed its maximum, snmpEngineBoots is
                  incremented as if a re-initialization had occurred, and this object's value consequently
-                 reverts to zero.
+                 reverts to zero. This is a 32 bit integer counter (0..2147483647).
 ```
 
-**Note**: this is only a SNMP section that supersedes the original section "snmp_uptime". It will not touch the original check. You can control the usage of this section by disable/enable SNMP section "snmp_uptime_exetended"
+**NOTE**: this is only a SNMP section that supersedes the original section "snmp_uptime". It will not touch the original check. You can control the usage of this section by disable/enable SNMP section "snmp_uptime_exetended"
 
 **NOTE**: this plugin my have some side efects on checks that use the original section and expect the uptime not larger than 497 days. I.e the interface inventory plugin ecpects this to calculate the "not used" state.