[time.format] Avoid non-sentence in bulleted list

Author: jensmaurer

source/time.tex

@@ -10491,7 +10491,7 @@
 
 \pnum
 A \defnadj{formatting}{locale} is an instance of \tcode{locale}
-used by a formatting function, that is determined as follows:
+used by a formatting function, defined as
 \begin{itemize}
 \item
 the \tcode{"C"} locale if the \tcode{L} option