diff --git a/lib/core.mli b/lib/core.mli
index 6ee39500..715ef523 100644
--- a/lib/core.mli
+++ b/lib/core.mli
@@ -280,6 +280,22 @@ val split : ?pos:int -> ?len:int -> re -> string -> string list
         # Re.split ~pos:3 regex "1,2,3,4. Commas go brrr.";;
         - : string list = ["3"; "4. Commas go brrr."]
     ]}
+
+    Be careful when using [split] with zero-length patterns like [eol], [bow], 
+    and [eow].
+
+    {[
+        # Re.split (Re.compile Re.eol) "a\nb";;
+        - : string list = ["a"; "\nb"]
+
+        # Re.split (Re.compile Re.bow) "a b";;
+        - : string list = ["a "; "b"]
+
+        # Re.split (Re.compile Re.eow) "a b";;
+        - : string list = ["a"; " b"]
+    ]}
+
+    Note the position of the [\n] and space characters in the output.
 *)
 
 val split_gen : ?pos:int -> ?len:int -> re -> string -> string gen