Fix typos with codespell

Found via `codespell -q 3 --skip="./thirdparty,./editor/translations" -I ../godot-word-whitelist.txt`
Whitelist consists of:
```
ang
doubleclick
lod
nd
que
te
unselect
```

3 files changed, 4 insertions, 4 deletions

diff --git a/scene/gui/dialogs.h b/scene/gui/dialogs.h
index e61ede7c3d..feb080dd06 100644
--- a/scene/gui/dialogs.h
+++ b/scene/gui/dialogs.h
@@ -108,7 +108,7 @@ class AcceptDialog : public WindowDialog {
 	HBoxContainer *hbc;
 	Label *label;
 	Button *ok;
-	//Button *cancel; no more cancel (there is X on tht titlebar)
+	//Button *cancel; no more cancel (there is X on that titlebar)
 	bool hide_on_ok;
 
 	void _custom_action(const String &p_action);
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index f13950461b..95d9173d39 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -628,7 +628,7 @@ void TextEdit::_notification(int p_what) {
 					VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2i(), get_size()), cache.background_color);
 				}
 				//compute actual region to start (may be inside say, a comment).
-				//slow in very large documments :( but ok for source!
+				//slow in very large documents :( but ok for source!
 
 				for (int i = 0; i < cursor.line_ofs; i++) {
 
@@ -4470,7 +4470,7 @@ bool TextEdit::search(const String &p_key, uint32_t p_search_flags, int p_from_l
 	ERR_FAIL_INDEX_V(p_from_line, text.size(), false);
 	ERR_FAIL_INDEX_V(p_from_column, text[p_from_line].length() + 1, false);
 
-	//search through the whole documment, but start by current line
+	//search through the whole document, but start by current line
 
 	int line = p_from_line;
 	int pos = -1;
diff --git a/scene/gui/texture_progress.cpp b/scene/gui/texture_progress.cpp
index 01b00c34ea..4a419098a0 100644
--- a/scene/gui/texture_progress.cpp
+++ b/scene/gui/texture_progress.cpp
@@ -158,7 +158,7 @@ void TextureProgress::draw_nine_patch_stretched(const Ref<Texture> &p_texture, F
 	if (p_ratio < 1.0) {
 		// Drawing a partially-filled 9-patch is a little tricky -
 		// texture is divided by 3 sections toward fill direction,
-		// then middle section is streching while the other two aren't.
+		// then middle section is stretching while the other two aren't.
 
 		double width_total = 0.0;
 		double width_texture = 0.0;