diff --git a/doc/guide/hacking-on-the-stdlib.md b/doc/guide/hacking-on-the-stdlib.md
index 909830423..4f2c9ca7b 100644
--- a/doc/guide/hacking-on-the-stdlib.md
+++ b/doc/guide/hacking-on-the-stdlib.md
@@ -2,7 +2,7 @@
 
 Gerbil is a growing project and your contributions are welcome!
 
-When working on modifications to the standard library, it's common to encountere errors
+When working on modifications to the standard library, it's common to encounter errors
 such as:
 
 ```