diff --git a/kotlin.nanorc b/kotlin.nanorc
index 6fd3459..dc17459 100644
--- a/kotlin.nanorc
+++ b/kotlin.nanorc
@@ -19,7 +19,7 @@ color brightred "\<(inner|outer)\>"
 color brightblue "<[^= 	]*>" ""(\\.|[^"])*""
 
 ## Comment highlighting
-color red "//.*"
+color red " //.*"
 color red start="/\*" end="\*/"
 
 ## Trailing whitespace