diff --git a/compiler/patterns.nim b/compiler/patterns.nim
index 1ef9031610..4b39de3baa 100644
--- a/compiler/patterns.nim
+++ b/compiler/patterns.nim
@@ -36,7 +36,7 @@ proc putLazy(c: PPatternContext, sym: PSym, n: PNode) =
 proc matches(c: PPatternContext, p, n: PNode): bool
 
 proc canonKind(n: PNode): TNodeKind =
-  ## nodekind canonilization for pattern matching
+  ## nodekind canonicalization for pattern matching
   result = n.kind
   case result
   of nkCallKinds: result = nkCall