Fix spelling error in French translation for noise reduction in signal menu processing

Author: PierreRaybaut

doc/locale/fr/LC_MESSAGES/features/signal/menu_processing.po

@@ -210,7 +210,7 @@ msgstr ""
 
 #: ../../doc/features/signal/menu_processing.rst:93
 msgid "Noise reduction"
-msgstr "Rédution de bruit"
+msgstr "Réduction de bruit"
 
 #: ../../doc/features/signal/menu_processing.rst:95
 msgid ""