Fix PID E501 description

kerikun11 · kerikun11 · commit 9937ee8c049f · 2026-05-02T10:31:31.000+09:00
diff --git a/1209/E501/index.md b/1209/E501/index.md
@@ -6,4 +6,4 @@ license: GPL v2
 site: https://www.kerislab.jp/
 source: https://github.com/kerikun11/kerigokbd
 ---
-KERI's Ergonomic Keyboard
+KERI's Ergonomic Keyboard Version 1
