diff --git a/tcl.nanorc b/tcl.nanorc
index 16031ef..7829cb0 100644
--- a/tcl.nanorc
+++ b/tcl.nanorc
@@ -21,4 +21,4 @@ icolor brightred "\$\{?[0-9A-Z_!@#$*?-]+\}?"
 ## Comments
 color magenta "(^|;)[[:space:]]*#.*"
 ## Trailing whitespace
-color ,blue "[[:space:]]+$"
+color ,green "[[:space:]]+$"