README.md in binary-1.3.1 vs README.md in binary-1.4.1

@@ -22,11 +22,11 @@
 
 ```ruby
 require 'binary'
 ```
 
-Binary to number:
+Number to binary:
 
 ```ruby
 Binary.binary 2018
 
 Or
@@ -43,11 +43,11 @@
 
 [7,9,11].to_b
 ```
 `Output: ["111", "1001", "1011"]`.
 
-Number to binary:
+Binary to number:
 ```ruby
 Binary.number "11111100010"
 
 Or
 
@@ -83,10 +83,10 @@
 `Output: 6`.
 
 ```ruby
 # number of zeros in a number's binary
 Binary.zeros 1000
-# number of ones in 1000.to_b ("1111101000")
+# number of zeros in 1000.to_b ("1111101000")
 ```
 `Output: 4`.
 
 ```ruby
 # list of binaries of prime numbers from 2 to 25