diff --git a/README b/README
index 5cbebcb..3ab0ebd 100644
--- a/README
+++ b/README
@@ -79,9 +79,7 @@ gobyexample.com signups
 * errors
 * compilation
 * time
-* string conversions
 * oauth for google domains
 * connection pool
 * ruby enumerable
 * ruby string
-* quoting
diff --git a/src/44-strings.go b/src/44-string-fns.go
similarity index 100%
rename from src/44-strings.go
rename to src/44-string-fns.go
diff --git a/src/xx-convert.go b/src/xx-parse.go
similarity index 100%
rename from src/xx-convert.go
rename to src/xx-parse.go