minor #14632 Update index.rst (sebpacz)

This PR was merged into the 4.4 branch.

Discussion
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Update index.rst

This is a very small change. I suggest replacing "function" with "functions" because each of these helpers offer more than one function. The word "functions" seems more appropriate.

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Commits
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6ba5635 Update index.rst

Author: javiereguiluz

components/console/helpers/index.rst

@@ -15,6 +15,6 @@ The Console Helpers
     debug_formatter
 
 The Console component comes with some useful helpers. These helpers contain
-function to ease some common tasks.
+functions to ease some common tasks.
 
 .. include:: map.rst.inc