Merge pull request #58 from nwatx/fixtypo

🅰️ Typo fix

Author: dumindu

source/docs/b1.vectors.md

@@ -17,7 +17,7 @@ let mut b = vec![]; //2.Using the vec! macro
 ```rust
 let mut a2: Vec<i32> = Vec::new();
 let mut b2: Vec<i32> = vec![];
-let mut b3 = vec![1i32, 2, 3];//Sufixing 1st value with data type
+let mut b3 = vec![1i32, 2, 3];//Suffixing 1st value with data type
 
 let mut b4 = vec![1, 2, 3];
 let mut b5: Vec<i32> = vec![1, 2, 3];