diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 08c13e7bc..36039130c 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -4105,7 +4105,7 @@ void TextEdit::_base_insert_text(int p_line, int p_char, const String &p_text, i
 		text_changed_dirty = true;
 	}
 
-	emit_signal("line_edited_from", p_line);
+	emit_signal("lines_edited_from", p_line, r_end_line);
 }
 
 String TextEdit::_base_get_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column) const {
@@ -4169,7 +4169,7 @@ void TextEdit::_base_remove_text(int p_from_line, int p_from_column, int p_to_li
 		text_changed_dirty = true;
 	}
 
-	emit_signal("line_edited_from", p_from_line);
+	emit_signal("lines_edited_from", p_to_line, p_from_line);
 }
 
 void TextEdit::_insert_text(int p_line, int p_char, const String &p_text, int *r_end_line, int *r_end_char) {
@@ -7353,7 +7353,7 @@ void TextEdit::_bind_methods() {
 
 	ADD_SIGNAL(MethodInfo("cursor_changed"));
 	ADD_SIGNAL(MethodInfo("text_changed"));
-	ADD_SIGNAL(MethodInfo("line_edited_from", PropertyInfo(Variant::INT, "line")));
+	ADD_SIGNAL(MethodInfo("lines_edited_from", PropertyInfo(Variant::INT, "from_line"), PropertyInfo(Variant::INT, "to_line")));
 	ADD_SIGNAL(MethodInfo("request_completion"));
 	ADD_SIGNAL(MethodInfo("breakpoint_toggled", PropertyInfo(Variant::INT, "row")));
 	ADD_SIGNAL(MethodInfo("symbol_lookup", PropertyInfo(Variant::STRING, "symbol"), PropertyInfo(Variant::INT, "row"), PropertyInfo(Variant::INT, "column")));
diff --git a/scene/resources/syntax_highlighter.cpp b/scene/resources/syntax_highlighter.cpp
index 70d37b7fe..a31c8070b 100644
--- a/scene/resources/syntax_highlighter.cpp
+++ b/scene/resources/syntax_highlighter.cpp
@@ -53,13 +53,13 @@ Dictionary SyntaxHighlighter::get_line_syntax_highlighting(int p_line) {
 	return color_map;
 }
 
-void SyntaxHighlighter::_line_edited_from(int p_line) {
+void SyntaxHighlighter::_lines_edited_from(int p_from_line, int p_to_line) {
 	if (highlighting_cache.size() < 1) {
 		return;
 	}
 
 	int cache_size = highlighting_cache.back()->key();
-	for (int i = p_line - 1; i <= cache_size; i++) {
+	for (int i = MIN(p_from_line, p_to_line) - 1; i <= cache_size; i++) {
 		if (highlighting_cache.has(i)) {
 			highlighting_cache.erase(i);
 		}
@@ -97,7 +97,7 @@ void SyntaxHighlighter::update_cache() {
 
 void SyntaxHighlighter::set_text_edit(TextEdit *p_text_edit) {
 	if (text_edit && ObjectDB::get_instance(text_edit_instance_id)) {
-		text_edit->disconnect("line_edited_from", this, "_line_edited_from");
+		text_edit->disconnect("lines_edited_from", this, "_lines_edited_from");
 	}
 
 	text_edit = p_text_edit;
@@ -105,7 +105,7 @@ void SyntaxHighlighter::set_text_edit(TextEdit *p_text_edit) {
 		return;
 	}
 	text_edit_instance_id = text_edit->get_instance_id();
-	text_edit->connect("line_edited_from", this, "_line_edited_from");
+	text_edit->connect("lines_edited_from", this, "_lines_edited_from");
 	update_cache();
 }
 
@@ -128,7 +128,7 @@ void SyntaxHighlighter::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_update_cache"), &SyntaxHighlighter::_update_cache);
 	ClassDB::bind_method(D_METHOD("_clear_highlighting_cache"), &SyntaxHighlighter::_clear_highlighting_cache);
 
-	ClassDB::bind_method(D_METHOD("_line_edited_from"), &SyntaxHighlighter::_line_edited_from);
+	ClassDB::bind_method(D_METHOD("_lines_edited_from"), &SyntaxHighlighter::_lines_edited_from);
 
 	BIND_VMETHOD(MethodInfo(Variant::DICTIONARY, "_get_line_syntax_highlighting", PropertyInfo(Variant::INT, "p_line")));
 	BIND_VMETHOD(MethodInfo("_update_cache"));
diff --git a/scene/resources/syntax_highlighter.h b/scene/resources/syntax_highlighter.h
index 8ab5cd00a..c46e87a76 100644
--- a/scene/resources/syntax_highlighter.h
+++ b/scene/resources/syntax_highlighter.h
@@ -62,7 +62,7 @@ protected:
 
 private:
 	RBMap<int, Dictionary> highlighting_cache;
-	void _line_edited_from(int p_line);
+	void _lines_edited_from(int p_from_line, int p_to_line);
 };
 
 ///////////////////////////////////////////////////////////////////////////////