diff --git a/lib/std/time_t.nim b/lib/std/time_t.nim
index 37918ee6c..5fd2752c7 100644
--- a/lib/std/time_t.nim
+++ b/lib/std/time_t.nim
@@ -9,8 +9,8 @@
 
 when defined(nimdoc):
   type
-    impl = distinct int64
-    Time* = impl ## \
+    Impl = distinct int64
+    Time* = Impl ## \
       ## Wrapper for ``time_t``. On posix, this is an alias to ``posix.Time``.
 elif defined(windows):
   when defined(i386) and defined(gcc):