[gegl] common-cxx: fix typo

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 9bec0f352167b929a322b8bb6634b83c5aae8ab5
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Wed Apr 13 00:49:14 2022 +0200

    common-cxx: fix typo

 operations/common-cxx/denoise-dct.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/common-cxx/denoise-dct.cc b/operations/common-cxx/denoise-dct.cc
index 739c0bce6..d7752d4d9 100644
--- a/operations/common-cxx/denoise-dct.cc
+++ b/operations/common-cxx/denoise-dct.cc
@@ -36,7 +36,7 @@ property_enum (patch_size, _("Patch size"),
     description (_("Size of patches used to denoise"))
 
 property_double (sigma, _("Strength"), 5.0)
-    description (_("Noise standart deviation"))
+    description (_("Noise standard deviation"))
     value_range (1., 100.)
 
 #else