Add missing line break to pipeline output

The page listing after the merged results pipeline declaration
needs a line break afterward. The next test (linting markdown style)
is printing on the same line. Looks odd.

scripts/lint-doc.sh

@@ -149,7 +149,7 @@ else
     if [ -n "${MD_DOC_PATH}" ]
     then
       # shellcheck disable=2059
-      printf "${COLOR_GREEN}INFO: Merged results pipeline detected. Testing only the following files:${COLOR_RESET}\n${MD_DOC_PATH}"
+      printf "${COLOR_GREEN}INFO: Merged results pipeline detected. Testing only the following files:${COLOR_RESET}\n${MD_DOC_PATH}\n"
     fi
   fi
 fi