diff --git a/README.md b/README.md
index df68dd78..3ec38fcd 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ To enable Emmet on your `html-hubl` files, you can map `html-hubl` to `html` in
 
 ### IntelliSense Suggestions
 
-If you are would like to get IntelliSense suggestions when in snippet placeholders, you will need to add the following to your user settings:
+If you would like to get IntelliSense suggestions when in snippet placeholders, you will need to add the following to your user settings:
 
 `"editor.suggest.snippetsPreventQuickSuggestions": false`
 
diff --git a/syntaxes/hubl.json b/syntaxes/hubl.json
index 502803f2..3f8352e8 100644
--- a/syntaxes/hubl.json
+++ b/syntaxes/hubl.json
@@ -106,6 +106,10 @@
           },
           "match": "\\s*\\b(filter)\\s+([a-zA-Z_][a-zA-Z0-9_]*)\\b"
         },
+        {
+          "match": "\\b(and|else|if|in|import|(is )?not|or|recursive|with(out)?\\s+context)\\b",
+          "name": "keyword.control.hubl"
+        },
         {
           "captures": {
             "1": {
@@ -115,7 +119,7 @@
               "name": "variable.other.hubl.test"
             }
           },
-          "match": "\\s*\\b(is)\\s+([a-zA-Z_][a-zA-Z0-9_]*)\\b"
+          "match": "\\s*\\b(is)(?!\\s+not)\\s+([a-zA-Z_][a-zA-Z0-9_]*)\\b"
         },
         {
           "captures": {
@@ -125,10 +129,6 @@
           },
           "match": "(?<=\\{\\%-|\\{\\%)\\s*\\b([a-zA-Z_][a-zA-Z0-9_]*)\\b(?!\\s*[,=])"
         },
-        {
-          "match": "\\b(and|else|if|in|import|not|or|recursive|with(out)?\\s+context)\\b",
-          "name": "keyword.control.hubl"
-        },
         {
           "match": "\\b(true|false|none)\\b",
           "name": "constant.language.hubl"