fixup! 81540b0

Co-authored-by: Teufelchen <9516484+Teufelchen1@users.noreply.github.com>

examples/rust-gcoap/Makefile

@@ -36,7 +36,7 @@ DEVELHELP ?= 1
 # Change this to 0 show compiler invocation lines by default:
 QUIET ?= 1
 
-# Add 16k extra stack: The Rust examples take more of it than gcoap expects,
+# Add 12k extra stack: The Rust examples take more of it than gcoap expects,
 # for reasons that are not fully understood (it's not the string formatter).
 CFLAGS += -DGCOAP_STACK_SIZE='(THREAD_STACKSIZE_DEFAULT+DEBUG_EXTRA_STACKSIZE+sizeof(coap_pkt_t)+12288)'
 # This thread needs some more stack for printing the addresses, once more being