Correct ambiguous Unbound TTL Host Cache descr text. Fixes #14358
(cherry picked from commit d9982f0f4b5401823f85b27d313c2fdc12b235e3)
Correct ambiguous Unbound TTL Host Cache descr text. Fixes #14358
(cherry picked from commit d9982f0f4b5401823f85b27d313c2fdc12b235e3)