doc: correct TODO, NOTE and FIX comment statements

src/event.zig

@@ -11,7 +11,7 @@ const Size = @import("size.zig").Size;
 /// System events available to every `zterm.App`
 pub const SystemEvent = union(enum) {
     /// Initialize event, which is send once at the beginning of the event loop and before the first render loop
-    /// TODO: not sure if this is necessary or if there is an actual usecase for this - for now it will remain
+    /// TODO not sure if this is necessary or if there is an actual usecase for this - for now it will remain
     init,
     /// Quit event to signify the end of the event loop (rendering should stop afterwards)
     quit,
@@ -28,7 +28,7 @@ pub const SystemEvent = union(enum) {
     /// Mouse input event
     mouse: Mouse,
     /// Focus event for mouse interaction
-    /// TODO: this should instead be a union with a `Size` to derive which container / element the focus meant for
+    /// TODO this should instead be a union with a `Size` to derive which container / element the focus meant for
     focus: bool,
 };