diff --git a/README.md b/README.md
index 74ce37b..bca30d1 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Modular data conversion tools (for developers)
 
 - [X] zooming
 - [X] fix zooming font size
-- [ ] controls explanation
+- [X] controls explanation
 - [ ] typed values
 - [ ] implicit type conversion
 - [ ] explicit type converters (eg. number to text with specified precision)
@@ -31,4 +31,5 @@ Modular data conversion tools (for developers)
 - [ ] preset for random number generator
 - [ ] array type
 - [ ] array splitters / concatinators
-- [ ] convert network to code
\ No newline at end of file
+- [ ] convert network to code
+- [ ] zoom control buttons
\ No newline at end of file