doc: correct TODO, NOTE and FIX comment statements

examples/demo.zig

@@ -26,7 +26,7 @@ const QuitText = struct {
             cells[anchor + idx].style.bg = .black;
             cells[anchor + idx].cp = cp;
 
-            // NOTE: do not write over the contents of this `Container`'s `Size`
+            // NOTE do not write over the contents of this `Container`'s `Size`
             if (anchor + idx == cells.len - 1) break;
         }
     }
@@ -35,7 +35,7 @@ const QuitText = struct {
 pub fn main() !void {
     errdefer |err| log.err("Application Error: {any}", .{err});
 
-    // TODO: maybe create own allocator as some sort of arena allocator to have consistent memory usage
+    // TODO maybe create own allocator as some sort of arena allocator to have consistent memory usage
     var gpa: std.heap.GeneralPurposeAllocator(.{}) = .init;
     defer if (gpa.deinit() == .leak) log.err("memory leak", .{});
 
@@ -47,7 +47,7 @@ pub fn main() !void {
 
     var quit_text: QuitText = .{};
 
-    // TODO: what should the demo application do?
+    // TODO what should the demo application do?
     // - some sort of chat? -> write messages and have them displayed in a scrollable array at the right hand side?
     // - on the left some buttons?
     var box = try App.Container.init(allocator, .{
@@ -127,12 +127,12 @@ pub fn main() !void {
                     continue;
                 }
             },
-            // NOTE: errors could be displayed in another container in case one was received, etc. to provide the user with feedback
+            // NOTE errors could be displayed in another container in case one was received, etc. to provide the user with feedback
             .err => |err| log.err("Received {s} with message: {s}", .{ @errorName(err.err), err.msg }),
             else => {},
         }
 
-        // NOTE: returned errors should be propagated back to the application
+        // NOTE returned errors should be propagated back to the application
         container.handle(event) catch |err| app.postEvent(.{
             .err = .{
                 .err = err,