Update README.md

Author: iammosespaulr

README.md

@@ -1,11 +1,11 @@
 # sympy-grammar-modifications
-build Sympy from source, then make modifications to ANTLR
+build SymPy from source, then make modifications to ANTLR
 
 The objective of this repo is to provide a set of working Latex examples that trigger parsing errors in Sympy.
 
-All of the Latex is valid, as demonstrated that each .tex file compiles to .dvi with error.
+All of the Latex is valid, as demonstrated that each tex file compiles to dvi, without error.
 
-The goal is to modify the Sympy ANTLR grammar such that no errors occur.
+The goal is to modify the SymPy ANTLR grammar such that no errors occur.