Update docs/src/index.md

Co-authored-by: Christopher Rackauckas <accounts@chrisrackauckas.com>

Author: 00krishna

docs/src/index.md

@@ -233,7 +233,7 @@ tries to do this with a bump allocator.
 
 ## Reproducibility
 ```@raw html
-<details><summary>The documentation of this SciML package was build using these direct dependencies,</summary>
+<details><summary>The documentation of this SciML package was built using these direct dependencies,</summary>
 ```
 ```@example
 using Pkg # hide