diff --git a/contributor_database b/contributor_database
index a97654200..009d86b35 100644
--- a/contributor_database
+++ b/contributor_database
@@ -1,4 +1,4 @@
-average:[Rohit Tanwar](@kriadmin)
+average:[Rohit Tanwar](@kriadmin),[Hui Binyuan](@huybery)
 chunk:[Rohit Tanwar](@kriadmin)
 compact:[Rohit Tanwar](@kriadmin)
 count_occurences:[Rohit Tanwar](@kriadmin)
diff --git a/snippets/average.md b/snippets/average.md
index 746f6f746..85acb9475 100644
--- a/snippets/average.md
+++ b/snippets/average.md
@@ -4,7 +4,7 @@
 
 Returns the average of two or more numbers.
 
-Takes the sum of all the `args` and divides it by `len(args)`. The secind argument `0.0` in sum is to handle floating point division in `python2`.
+Takes the sum of all the `args` and divides it by `len(args)`. The second argument `0.0` in sum is to handle floating point division in `python2`.
 
 ```python
 def average(*args):
@@ -14,4 +14,4 @@ def average(*args):
 ``` python
 average(*[1, 2, 3]) # 2.0
 average(1, 2, 3) # 2.0
-```
\ No newline at end of file
+```