diff --git a/README.md b/README.md
index 81db4d3..5ee0828 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,8 @@ It has two portions of memory: the stack and the block. I hesitate to call the
 block a heap because it is not a data structure, it is a continuous block of
 memory.
 
-Both the stack and the block are as infinite, as computing resources and integer
-limits allow, in the positive direction. They are automatically expanded
+Both the stack and the block are infinite, to the extent computing resources and
+integer limits allow, in the positive direction. They are automatically expanded
 when written to.
 
 ## Instruction Set
@@ -138,7 +138,8 @@ Pushes:
 
 ### 0xC MOD
 
-Performs a modulo operation on two words.
+Performs a modulo operation on two words. Tip: this can be used as a logical
+AND.
 
 Pops:
 1. left operand