Fixing makefile; Updating README; adding tmp.txt to gitignore

.gitignore

@@ -1 +1,2 @@
 editor
+tmp.txt

Makefile

@@ -9,7 +9,7 @@ endif
 
 build_and_run: clean build run
 
-.PHONY : build_and_run build run clean test
+.PHONY : build_and_run build run clean testfile
 
 build :
 	@echo "-> Building"
@@ -25,7 +25,7 @@ clean :
 	@echo "-> Cleaning up"
 	@-rm editor
 
-test :
+testfile :
 	@echo -e "-> Generating test file"
 	@echo -e "This is a line.\nThis is another line.\n\n\nThis is the end." > tmp.txt
 	@$(CAT) tmp.txt

README.md

@@ -8,8 +8,9 @@ This project is in VERY early stages and you could very likely destroy any file
     git clone https://github.com/leothelocust/led.git
     cd led/
     make testfile
-    make
-    
+    make build
+    ./editor tmp.txt
+
 ## Supported Key Bindings
 
 |Key Binding|Action|