diff --git a/2021-07-21.md b/2021-07-21.md
index e04bf28e8..c04336d22 100644
--- a/2021-07-21.md
+++ b/2021-07-21.md
@@ -2,4 +2,4 @@
 - [[michelson interferometer]]
 - [[aether]]
 - [[effective altruism]]
-- [[project cybersin]]
\ No newline at end of file
+- [[project cybersyn]]
\ No newline at end of file
diff --git a/project cybersyn.md b/project cybersyn.md
new file mode 100644
index 000000000..1d583d7d4
--- /dev/null
+++ b/project cybersyn.md	
@@ -0,0 +1 @@
+- [[pull]] [[cybersyn]]
\ No newline at end of file