diff --git a/lib/std/ascii.zig b/lib/std/ascii.zig
index 07d2e065bfb0f3036c4521b5354b4a97152c5c16..55946cfc3308d985e0cf55f619953e830e207b4f 100644
--- a/lib/std/ascii.zig
+++ b/lib/std/ascii.zig
@@ -278,6 +278,7 @@ pub fn isPrint(c: u8) bool {
     return inTable(c, tIndex.Graph) or c == ' ';
 }
 
+/// DEPRECATED: create your own function based on your needs and what you want to do.
 pub fn isPunct(c: u8) bool {
     return inTable(c, tIndex.Punct);
 }