import dolfin and import dolfinx

citing/index.md

@@ -4,10 +4,12 @@ permalink: /citing/
 ---
 ## Main FEniCSx citations
 If you use FEniCS in your research, the developers would be grateful if you would cite the
-relevant publications. FEniCS is organized as a collection of components, so to give proper
-credit to the developers of FEniCS, please cite the indicated references **for each relevant
-component**.
-You can find this list of papers in BibTeX format [here](/assets/citations.bib).
+relevant publications.
+
+If your code starts with `import dolfinx`, you are using FEniCSx and should cite the paper on this page.
+FEniCSx is organized as a collection of components, so to give proper
+credit, please cite the indicated references **for each relevant
+component**. You can find this list of papers in BibTeX format [here](/assets/citations.bib).
 
 ### DOLFINx
 
@@ -69,4 +71,5 @@ To see a variety of applications of FEniCS, you can take a look at [this list of
 
 
 ## Legacy FEniCS
-If you are using legacy FEniCS, you can find a list of relevant citations [on the legacy citations page](legacy.md).
+If you are using legacy FEniCS and your code starts with `import dolfin`,
+you can find a list of relevant citations [on the legacy citations page](legacy.md).

citing/legacy.md

@@ -6,8 +6,9 @@ permalink: /citing/legacy/
 
 ## Legacy citations
 
-This page lists citations for legacy FEniCS. If you are using FEniCSx (the latest version of FEniCS),
-you can find a list of relevant citations on [the main citations page](index.md).
+This page lists citations for legacy FEniCS and should be used if your code starts with `import dolfin`.
+If your code starts with `import dolfinx`, then you can find the list of relevant ciations for FEniCSx on
+[the main citations page](index.md).
 
 If you use FEniCS in your research, the developers would be grateful if you would cite the
 relevant publications. FEniCS is organized as a collection of components, so to give proper