Use <= instead of < for clarity.

1 files changed, 1 insertions, 1 deletions

diff --git a/spec.txt b/spec.txt
index 6a7c658..945403f 100644
--- a/spec.txt
+++ b/spec.txt
@@ -3631,7 +3631,7 @@ The following rules define [list items]:
 1.  **Basic case.**  If a sequence of lines *Ls* constitute a sequence of
     blocks *Bs* starting with a [non-whitespace character] and not separated
     from each other by more than one blank line, and *M* is a list
-    marker of width *W* followed by 0 < *N* < 5 spaces, then the result
+    marker of width *W* followed by 1 ≤ *N* ≤ 4 spaces, then the result
     of prepending *M* and the following spaces to the first line of
     *Ls*, and indenting subsequent lines of *Ls* by *W + N* spaces, is a
     list item with *Bs* as its contents.  The type of the list item