diff --git a/lenses/sep.aug b/lenses/sep.aug
index 92e453a65..cdbe38775 100644
--- a/lenses/sep.aug
+++ b/lenses/sep.aug
@@ -11,11 +11,27 @@ About: License
 
 module Sep =
 
+(* Variable: colon *)
 let colon = Util.del_str ":"
+
+(* Variable: comma *)
 let comma = Util.del_str ","
+
+(* Variable: equal *)
 let equal = Util.del_str "="
+
+(* Variable: space
+   Deletes a <Rx.space> and default to a single space *)
 let space = del Rx.space " "
+
+(* Variable: tab
+   Deletes a <Rx.space> and default to a tab *)
 let tab   = del Rx.space "\t"
+
+(* Variable: opt_space
+   Deletes a <Rx.opt_space> and default to an empty string *)
 let opt_space = del Rx.opt_space ""
-let opt_tab   = del Rx.opt_space "\t"
 
+(* Variable: opt_tab
+   Deletes a <Rx.opt_space> and default to a tab *)
+let opt_tab   = del Rx.opt_space "\t"