[DOCS] Fix case sensitivity for elision token filter (#69873)

Author: jrodewig

docs/reference/analysis/tokenfilters/elision-tokenfilter.asciidoc

@@ -146,9 +146,9 @@ specified.
 --
 
 `articles_case`::
-(Optional, boolean)
-If `true`, the filter treats any provided elisions as case sensitive.
-Defaults to `false`.
+(Optional, Boolean)
+If `true`, elision matching is case insensitive. If `false`, elision matching is
+case sensitive. Defaults to `false`.
 
 [[analysis-elision-tokenfilter-customize]]
 ==== Customize
@@ -157,30 +157,30 @@ To customize the `elision` filter, duplicate it to create the basis
 for a new custom token filter. You can modify the filter using its configurable
 parameters.
 
-For example, the following request creates a custom case-sensitive `elision`
+For example, the following request creates a custom case-insensitive `elision`
 filter that removes the `l'`, `m'`, `t'`, `qu'`, `n'`, `s'`,
 and `j'` elisions:
 
 [source,console]
 --------------------------------------------------
-PUT /elision_case_sensitive_example
+PUT /elision_case_insensitive_example
 {
-    "settings" : {
-        "analysis" : {
-            "analyzer" : {
-                "default" : {
-                    "tokenizer" : "whitespace",
-                    "filter" : ["elision_case_sensitive"]
-                }
-            },
-            "filter" : {
-                "elision_case_sensitive" : {
-                    "type" : "elision",
-                    "articles" : ["l", "m", "t", "qu", "n", "s", "j"],
-                    "articles_case": true
-                }
-            }
+  "settings": {
+    "analysis": {
+      "analyzer": {
+        "default": {
+          "tokenizer": "whitespace",
+          "filter": [ "elision_case_insensitive" ]
+        }
+      },
+      "filter": {
+        "elision_case_insensitive": {
+          "type": "elision",
+          "articles": [ "l", "m", "t", "qu", "n", "s", "j" ],
+          "articles_case": true
         }
+      }
     }
+  }
 }
 --------------------------------------------------