}
 
 static const char * const merge_base_usage[] = {
-       "git merge-base [-a|--all] <commit> <commit>...",
-       "git merge-base [-a|--all] --octopus <commit>...",
-       "git merge-base --independent <commit>...",
-       "git merge-base --is-ancestor <commit> <commit>",
+       N_("git merge-base [-a|--all] <commit> <commit>..."),
+       N_("git merge-base [-a|--all] --octopus <commit>..."),
+       N_("git merge-base --independent <commit>..."),
+       N_("git merge-base --is-ancestor <commit> <commit>"),
        NULL
 };
 
        int is_ancestor = 0;
 
        struct option options[] = {
-               OPT_BOOLEAN('a', "all", &show_all, "output all common ancestors"),
-               OPT_BOOLEAN(0, "octopus", &octopus, "find ancestors for a single n-way merge"),
-               OPT_BOOLEAN(0, "independent", &reduce, "list revs not reachable from others"),
+               OPT_BOOLEAN('a', "all", &show_all, N_("output all common ancestors")),
+               OPT_BOOLEAN(0, "octopus", &octopus, N_("find ancestors for a single n-way merge")),
+               OPT_BOOLEAN(0, "independent", &reduce, N_("list revs not reachable from others")),
                OPT_BOOLEAN(0, "is-ancestor", &is_ancestor,
-                           "is the first one ancestor of the other?"),
+                           N_("is the first one ancestor of the other?")),
                OPT_END()
        };