fix and update readme

readme.txt

@@ -1,24 +1,24 @@
 tft - Terminal Family Tree
 
-tft can create and display family trees on the terminal.
+tft is an ncurses program that can create and display family trees on the terminal.
 
 
 HOW TO CREATE:
 Trees are created using the tft file format, for example this tft file:
 
 # This is a comment
-Adam, M               # Adam is a male
+Adam
 
-Eve, F
+Eve, F               # Eve is female
 s: Adam              # Eve's spouse is Adam
 
-Cain, M
+Cain
 p: Adam, Eve         # Cain's parents are Adam and Eve
 
-Abel, M
+Abel
 p: -                 # Abel's parents are the same as the last person's (Cain)
 
-Seth, M
+Seth
 p: -
 
 
@@ -43,10 +43,10 @@ DEPENDENCIES:
 ncursesw development library (libncursesw5-dev on Debian/Ubuntu)
 
 HOW TO INSTALL:
-Make sure you satisfy the dependencies and have permissons and execute:
+Make sure you satisfy the dependencies and execute:
 	git clone https://gitlab.com/venelin98/tft.git
 	cd tft
-	./install.sh
+	sudo ./install.sh
 
 
 HOW TO USE:
@@ -60,11 +60,8 @@ HOW TO USE:
 	- - show first names only
 
 TFT FORMAT:
- - All spaces are ignored e.g.: Adam 0 and Adam0 are equivalent
- - '_' in names is converted to ' '
- - Number at the end of a name is used to disambiguate when multiple people have identical names e.g.:
-   Adam0 is the first added Adam, Adam1 is the second added Adam
- - Must end with a newline
+ - A number after a name is used to disambiguate when multiple people have identical names e.g.:
+   "Adam 0" is the first added Adam, "Adam 1" is the second added Adam
 
 QUESTIONS AND FEEDBACK:
 venelin98@abv.bg