Update article.md

"if arguments count" -> "if the arguments count"
"allows to easily" -> "allows us to easily"
"seen in the logging example:" -> "seen in the logging example,"
rephrasing rest of above sentence for readability

Author: paroche

1-js/99-js-misc/03-currying-partials/article.md

@@ -191,6 +191,6 @@ But most implementations of currying in JavaScript are advanced, as described: t
 
 ## Summary
 
-*Currying* is a transform that makes `f(a,b,c)` callable as `f(a)(b)(c)`. JavaScript implementations usually both keep the function callable normally and return the partial if arguments count is not enough.
+*Currying* is a transform that makes `f(a,b,c)` callable as `f(a)(b)(c)`. JavaScript implementations usually both keep the function callable normally and return the partial if the arguments count is not enough.
 
-Currying allows to easily get partials. As we've seen in the logging example: the universal function `log(date, importance, message)` after currying gives us partials when called with one argument like `log(date)` or two arguments `log(date, importance)`.  
+Currying allows us to easily get partials. As we've seen in the logging example, after currying the three argument universal function `log(date, importance, message)` gives us partials when called with one argument (like `log(date)`) or two arguments (like `log(date, importance)`).