Update keyword-repeat-tokenfilter.asciidoc

docs/reference/analysis/tokenfilters/keyword-repeat-tokenfilter.asciidoc

@@ -2,8 +2,8 @@
 === Keyword Repeat Token Filter
 
 The `keyword_repeat` token filter Emits each incoming token twice once
-as keyword and once as a non-keyword to allow an un-stemmed version of a
-term to be indexed side by site to the stemmed version of the term.
+as keyword and once as a non-keyword to allow an unstemmed version of a
+term to be indexed side by side with the stemmed version of the term.
 Given the nature of this filter each token that isn't transformed by a
 subsequent stemmer will be indexed twice. Therefore, consider adding a
 `unique` filter with `only_on_same_position` set to `true` to drop