Update json/targeting.json

Co-authored-by: Michael Beemer <beeme1mr@users.noreply.github.com>
Signed-off-by: Todd Baert <todd.baert@dynatrace.com>

json/targeting.json

@@ -50,7 +50,7 @@
           "anyOf": [
             {
               "type": "string",
-              "description": "flagd automatically injects \"$lagd.timestamp\" (unix epoch) and \"$lagd.flagKey\" (the key of the flag in evaluation) into the context.",
+              "description": "flagd automatically injects \"$flagd.timestamp\" (unix epoch) and \"$flagd.flagKey\" (the key of the flag in evaluation) into the context.",
               "pattern": "^\\$flagd\\.((timestamp)|(flagKey))$"
             },
             {