diff --git a/docs/tutorials/004_compare_specificity.md b/docs/tutorials/004_compare_specificity.md
index 6e46de7..178b71f 100644
--- a/docs/tutorials/004_compare_specificity.md
+++ b/docs/tutorials/004_compare_specificity.md
@@ -4,7 +4,6 @@ Tissue specificity can be combined with gene families to pick up genes with cons
 also to detect genes within one species that sub- or neo-functionalized after duplication. Look at the examples below to
 see how.
 
-
 ## Conserved Expression
 
 Some low-abudant genes can cause false positives when looking for tissue/condition specificity. These adverse results can
@@ -16,14 +15,22 @@ Tomato (*Solanum lycopersicum*) fruis. This feature is available from the tools
 **Compare specificity**. The SPM (Specificity Metric) slider for tomato is adjusted to yield a similar number of hits
 as in *Arabidopsis thaliana*. 
 
-![Compare specificity](images/compare_specificity_entry.png "Compare specificity entry") 
+![Compare specificity entry](images/compare_specificity_entry.png "Compare specificity entry") 
 
 In the resulting page orthogroups with a member expressed in one, the other or both selected conditions are shown in a
 venn diagram, with a detailed list below. By hovering over a gene, the description can be observed. 
 
-![Compare specificity](images/compare_specificity_result.png "Compare specificity result") 
+![Compare specificity result](images/compare_specificity_result.png "Compare specificity result") 
+
+Here, the first reported hit is AGL1 *aka.* SHATTERPROOF 1, a known 
+[fruit development gene](https://www.ncbi.nlm.nih.gov/pubmed/10903201), clearly illustrating the power of this approach.
+
+## Sub- or Neofunctionalization
+
+Similarly you can compare *Arabidopsis thaliana* root specific genes (default SPM of 0.85) with pollen in the same 
+species (using the same SPM cutoff). 
 
-Here, the first reported hit is AGL1 aka. SHATTERPROOF 1, a known fruit development gene, clearly illustrating the power of this 
-approach.
+![Compare specificity result2](images/compare_specificity_result2.png "Compare specificity result2") 
 
-## Sub- or Neofunctionalization
\ No newline at end of file
+Here **74** orthogroups are reported to show signs of sub- or neo-functionalization. This includes 
+**Cellulose Synthase (like)** genes included in the example from the [previous section](004_compare_specificity.md).
\ No newline at end of file
diff --git a/docs/tutorials/images/compare_specificity_result2.png b/docs/tutorials/images/compare_specificity_result2.png
new file mode 100644
index 0000000..5bbb63f
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