-The value specified here will be prefixed to each of your keys. The value can not
-be greater then MEMCACHED_PREFIX_KEY_MAX_SIZE \- 1 and will reduce MEMCACHED_MAX_KEY by
-the value of your key. The prefix key is only applied to the primary key,
-not the master key. MEMCACHED_FAILURE will be returned if no key is set. In the case
-of a key which is too long MEMCACHED_BAD_KEY_PROVIDED will be returned.
+The value specified here will be prefixed to each of your keys. The value can
+not be greater then \fBMEMCACHED_PREFIX_KEY_MAX_SIZE\fP \- 1 and will
+reduce \fBMEMCACHED_MAX_KEY\fP by the value of your key.
+.sp
+The prefix key is only applied to the primary key, not the master key.
+\fBMEMCACHED_FAILURE\fP will be returned if no key is set. In the case of
+a key which is too long, \fBMEMCACHED_BAD_KEY_PROVIDED\fP will be returned.