[#859, !509] updated comments

tools/Makefile.am

@@ -13,7 +13,10 @@ if GENERATE_DOCS
 
 # Scripts for Cassandra support. Ultimately those scripts will have to be
 # incorporated in DataStax cpp-driver source tree, but until that happens,
-# let's keep them in Kea rpo
+# let's keep them in Kea repo.
+# Scripts for sysrepo are also included. If users do not want to install
+# the sysrepo libraries and binaries in the default system tree and prefer
+# a custom path, these scripts can be used.
 EXTRA_DIST = cql_config cql_config_defines.sh.sample sysrepo_config sysrepo_config_defines.sh.sample
 
 endif