diff --git a/cpp/src/arrow/vendored/datetime/tz.h b/cpp/src/arrow/vendored/datetime/tz.h
index 6d54e49ea22a1..467db6d199793 100644
--- a/cpp/src/arrow/vendored/datetime/tz.h
+++ b/cpp/src/arrow/vendored/datetime/tz.h
@@ -60,7 +60,7 @@
 #    else
 #      define HAS_REMOTE_API 1
 #    endif
-#  else  // HAS_REMOTE_API makes no since when using the OS timezone database
+#  else  // HAS_REMOTE_API makes no sense when using the OS timezone database
 #    define HAS_REMOTE_API 0
 #  endif
 #endif
@@ -853,7 +853,7 @@ class time_zone
     load_data(std::istream& inf, std::int32_t tzh_leapcnt, std::int32_t tzh_timecnt,
                                  std::int32_t tzh_typecnt, std::int32_t tzh_charcnt);
 #else  // !USE_OS_TZDB
-    DATE_API sys_info   get_info_impl(sys_seconds tp, int timezone) const;
+    DATE_API sys_info   get_info_impl(sys_seconds tp, int tz_int) const;
     DATE_API void adjust_infos(const std::vector<detail::Rule>& rules);
     DATE_API void parse_info(std::istream& in);
 #endif  // !USE_OS_TZDB