Usual i18n/UI message fixes...

release/scripts/modules/bl_i18n_utils/settings.py

@@ -337,6 +337,8 @@ WARN_MSGID_NOT_CAPITALIZED_ALLOWED = {
     "image path can't be written to",
     "in memory to enable editing!",
     "jumps over",
+    "left",
+    "right",
     "the lazy dog",
     "unable to load movie clip",
     "unable to load text",

source/blender/editors/space_sequencer/sequencer_modifier.c

@@ -260,7 +260,7 @@ void SEQUENCER_OT_strip_modifier_copy(wmOperatorType *ot)
 {
 	static EnumPropertyItem type_items[] = {
 		{SEQ_MODIFIER_COPY_REPLACE, "REPLACE", 0, "Replace",
-		 "Replace modifiers in desctination"},
+		 "Replace modifiers in destination"},
 		{SEQ_MODIFIER_COPY_APPEND,  "APPEND",  0, "Append",
 		 "Append active modifiers to selected strips"},
 		{0, NULL, 0, NULL, NULL}};