diff --git a/examples/utf-8/стекло/ext-ascii-1.cir b/examples/utf-8/стекло/ext-ascii-1.cir
index 5831febe1..146f874ce 100644
--- a/examples/utf-8/стекло/ext-ascii-1.cir
+++ b/examples/utf-8/стекло/ext-ascii-1.cir
@@ -1,5 +1,7 @@
 * test de titre
 * file is encoded as ASCII !
+* will lead to error in the ngspice UNICODE utf8 version
+* is o.k. only if ngspice is compiled with --disable-utf8 flag
 
 .control
 
diff --git a/examples/utf-8/стекло/ext-ascii-2.cir b/examples/utf-8/стекло/ext-ascii-2.cir
index 07a972dff..ddeee64b0 100644
--- a/examples/utf-8/стекло/ext-ascii-2.cir
+++ b/examples/utf-8/стекло/ext-ascii-2.cir
@@ -1,6 +1,7 @@
 * test de titr�
 * file is encoded as ASCII !
-* It will fail in utf8 mode.
+* will lead to error in the ngspice UNICODE utf8 version
+* is o.k. only if ngspice is compiled with --disable-utf8 flag
 
 .control
 set encoding=extended_ascii