diff --git a/harper-core/default_config.json b/harper-core/default_config.json
index 00143ccb3..021f7e871 100644
--- a/harper-core/default_config.json
+++ b/harper-core/default_config.json
@@ -2955,6 +2955,13 @@
 								"label": "Expand Previous"
 							}
 						},
+						{
+							"Bool": {
+								"name": "ExpandThough",
+								"state": true,
+								"label": "Expand Though"
+							}
+						},
 						{
 							"Bool": {
 								"name": "ExpandThrough",
diff --git a/harper-core/src/linting/weir_rules/ExpandThough.weir b/harper-core/src/linting/weir_rules/ExpandThough.weir
new file mode 100644
index 000000000..65205f863
--- /dev/null
+++ b/harper-core/src/linting/weir_rules/ExpandThough.weir
@@ -0,0 +1,10 @@
+expr main (tho)
+
+#mdkb
+let message "Use `though` instead of `tho`"
+let description "Expands the informal spelling `tho` to the standard word `though`."
+let kind "Style"
+let becomes "though"
+
+test "When i press the f8 key, it pause emulation, even tho the bind is not present at all" "When i press the f8 key, it pause emulation, even though the bind is not present at all"
+test "I'm not sure what to say tho, it does work generally" "I'm not sure what to say though, it does work generally"