first commit

Author: rao-shwe

modules/learn/pages/clusters-and-availability/xdcr-overview.adoc

@@ -267,7 +267,7 @@ If either a source or a target bucket needs to be flushed after a replication ha
 [#xdcr-and-bucket-expiration]
 == XDCR and Expiration
 
-Buckets, collections, and documents have a _TTL_ setting, which determines the maximum expiration times of individual items.
+Buckets, collections, and documents have a TTL setting, which determines the maximum expiration times of individual items.
 This is explained in detail in xref:learn:data/expiration.adoc[Expiration].
 For specific information on how TTL is affected by XDCR, see the section xref:learn:data/expiration.adoc#bucket-expiration-and-xdcr[Expiration and XDCR].