diff --git a/doc/capi.md b/doc/capi.md
index a7444f9..51d5bdc 100644
--- a/doc/capi.md
+++ b/doc/capi.md
@@ -51,7 +51,7 @@ fclose(fp);
 
 
 ## Calling a function
-A function can be called by creating a list and evaulating it; for
+A function can be called by creating a list and evaluating it; for
 example, we could add two numbers using the `+` function:
 
 ```c