Update docs/src/model_creation/examples/basic_CRN_library.md

Co-authored-by: Sam Isaacson <[email protected]>

Author: TorkelE

docs/src/model_creation/examples/basic_CRN_library.md

@@ -2,7 +2,7 @@
 ```@raw html
 <details><summary><strong>Tutorial environment set-up</strong></summary>
 ```
-The following code sets up an environment for running this tutorial.
+The following code sets up an environment for running the following examples.
 ```julia
 using Pkg
 Pkg.activate(".")