diff --git a/lib/system.nim b/lib/system.nim
index 51967c7ea7..93152a9e01 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -3757,7 +3757,7 @@ when hasAlloc:
 proc locals*(): RootObj {.magic: "Plugin", noSideEffect.} =
   ## generates a tuple constructor expression listing all the local variables
   ## in the current scope. This is quite fast as it does not rely
-  ## on any debug or runtime information. Note that in constrast to what
+  ## on any debug or runtime information. Note that in contrast to what
   ## the official signature says, the return type is not ``RootObj`` but a
   ## tuple of a structure that depends on the current scope. Example:
   ##