Fixed typo: `*L*` -> `*Ls*`.

See #309.

1 files changed, 1 insertions, 1 deletions

diff --git a/spec.txt b/spec.txt
index 0e5fe84..9244c8e 100644
--- a/spec.txt
+++ b/spec.txt
@@ -3090,7 +3090,7 @@ A list may start or end with an empty list item:
 
 4.  **Indentation.**  If a sequence of lines *Ls* constitutes a list item
     according to rule #1, #2, or #3, then the result of indenting each line
-    of *L* by 1-3 spaces (the same for each line) also constitutes a
+    of *Ls* by 1-3 spaces (the same for each line) also constitutes a
     list item with the same contents and attributes.  If a line is
     empty, then it need not be indented.