diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index 4fc7912..0a5bc94 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1104,7 +1104,7 @@
 3. The small delete register "-
 4. 26 named registers "a to "z or "A to "Z
 5. three read-only registers ":, "., "%
-7. alternate buffer register "#
+6. alternate buffer register "#
 7. the expression register "=
 8. The selection and drop registers "*, "+ and "~ 
 9. The black hole register "_