diff --git a/web/js/autocompleter.js b/web/js/autocompleter.js
index 3b0ce7a..8ce2304 100644
--- a/web/js/autocompleter.js
+++ b/web/js/autocompleter.js
@@ -356,7 +356,6 @@ app.registerExtension({
 							},
 							[
 								$el("input", {
-									id: id.replaceAll(".", "-"),
 									type: "checkbox",
 									checked: !!TextAreaAutoComplete.globalSeparator,
 									onchange: (event) => {
@@ -367,6 +366,26 @@ app.registerExtension({
 								}),
 							]
 						),
+						$el(
+							"label",
+							{
+								textContent: "Replace _ with space ",
+								style: {
+									display: "block",
+								},
+							},
+							[
+								$el("input", {
+									type: "checkbox",
+									checked: !!TextAreaAutoComplete.replacer,
+									onchange: (event) => {
+										const checked = !!event.target.checked;
+										TextAreaAutoComplete.replacer = checked ? (v) => v.replaceAll("_", " ") : undefined;
+										localStorage.setItem(id + ".ReplaceUnderscore", checked);
+									},
+								}),
+							]
+						),
 						$el("button", {
 							textContent: "Manage Custom Words",
 							onclick: () => {
@@ -384,6 +403,8 @@ app.registerExtension({
 			},
 		});
 		TextAreaAutoComplete.enabled = enabledSetting.value;
+		TextAreaAutoComplete.replacer = localStorage.getItem(id + ".ReplaceUnderscore") === "true" ? (v) => v.replaceAll("_", " ") : undefined;
+
 	},
 	beforeRegisterNodeDef(_, def) {
 		// Process each input to see if there is a custom word list for
diff --git a/web/js/common/autocomplete.js b/web/js/common/autocomplete.js
index d04567f..862133b 100644
--- a/web/js/common/autocomplete.js
+++ b/web/js/common/autocomplete.js
@@ -314,6 +314,7 @@ class TextAreaCaretHelper {
 export class TextAreaAutoComplete {
 	static globalSeparator = "";
 	static enabled = true;
+	static replacer = undefined;
 
 	/** @type {Record<string, Record<string, AutoCompleteEntry>>} */
 	static groups = {};
@@ -565,7 +566,11 @@ export class TextAreaAutoComplete {
 				{
 					onclick: () => {
 						this.el.focus();
-						this.helper.insertAtCursor((wordInfo.value ?? wordInfo.text) + this.separator, -before.length, wordInfo.caretOffset);
+						let value = wordInfo.value ?? wordInfo.text;
+						if(TextAreaAutoComplete.replacer) {
+							value = TextAreaAutoComplete.replacer(value);
+						}
+						this.helper.insertAtCursor(value + this.separator, -before.length, wordInfo.caretOffset);
 						setTimeout(() => {
 							this.#update();
 						}, 150);