diff --git a/SC2039.md b/SC2039.md
index ea47c30..ee01bb4 100644
--- a/SC2039.md
+++ b/SC2039.md
@@ -106,7 +106,7 @@ printf '%s' "$g" | grep aaa # since we want to avoid `echo`
 
 ### echo flags
 
-See https://unix.stackexchange.com/tags/echo.
+See https://unix.stackexchange.com/tags/echo/info.
 
 ### `${var/pat/replacement}`
 
@@ -120,6 +120,8 @@ POSIX:
 
 ```sh
 echo "$TERM" | sed -e 's/-256.*$//g'
+# Special case for this since we are matching the end:
+echo "${TERM%-256*}"
 ```
 
 ### `printf %q`