Feat: update content

src/content/docs/modules/cornerstones.mdx

@@ -450,6 +450,7 @@ Long suit slam tries (Minor) and continuation
 - Lebensohl. Slow Show.
 - Dbl: Take out if nat. Suit-showing if art
 - 4!c/!d: Long !h/!s GF
+- 4M: To play even if it is their suit
 </BiddingTree>
 
 <BiddingTree>
@@ -523,7 +524,8 @@ Long suit slam tries (Minor) and continuation
 <BiddingTree>
 2m (Dbl)
 - P: Non-descriptive
-- Rdbl: Our board. New suit net round is F1
+- Rdbl: Our board. New suit next round is F1
+- NS: Constructive. NF
 - JS: Pre
 - 2!n: Inv with support. New suit shows shortness
 </BiddingTree>
@@ -532,9 +534,9 @@ Long suit slam tries (Minor) and continuation
 2m (Suit bid)
 - Dbl: (up to 3!d) Negative. 
     - Unbid M: 3-card M. 
-    - 2!n: 5431 or 6331 with stop in overcalled suit
+    - 2!n: Nat. stop in overcalled suit
 - Dbl: (from 3!h) Optional
-- NS: Constructive
+- NS: Constructive. NF
 - 2!n: F1. Bal inv or GF with m support
 - Cue: Ask stopper. May stop at 4m
 </BiddingTree>
@@ -547,4 +549,3 @@ P - 2m
 - New suit: 5-7 5+ suit. Tolerance in m
 - 2!n: 8-10 Bal. Inv
 </BiddingTree>
-