1 files changed, 6 insertions, 0 deletions
diff --git a/readme.md b/readme.md
index 067fb4f..016cc87 100755
--- a/readme.md
+++ b/readme.md
@@ -20,9 +20,15 @@ gradle tar
 `// Import metric of choice.`  
 `import org.hashtree.stringmetric.similarity.JaroWinklerMetric`  
 
+`// Optionally import filters, which clean up arguments prior to evaluation.`  
+`import org.hashtree.stringmetric.{ AsciiCaseStringFilter, AsciiLetterOnlyStringFilter, StringFilterDelegate }`  
+
 `// Invoke metric compare method.`  
 `val distance = JaroWinklerMetric.compare("string1", "string2")`
 
+`// Optionally invoke metric compare method with filters. In this case, non-letter characters and case do not matter.`  
+`val filteredDistance = JaroWinklerMetric.compare("string1", "string2")(new StringFilterDelegate with AsciiCaseStringFilter with AsciiLetterOnlyStringFilter)`
+
 `// Do something. In this case, distance is between 1.0 and 0.0.`  
 `if (distance >= 0.9) println("It's likely you're a match!")`