diff --git a/learners/fig/R0s plot.jpeg b/learners/fig/R0s_plot.jpeg
similarity index 100%
rename from learners/fig/R0s plot.jpeg
rename to learners/fig/R0s_plot.jpeg
diff --git a/learners/reference.md b/learners/reference.md
index 92df90c..332b856 100644
--- a/learners/reference.md
+++ b/learners/reference.md
@@ -177,7 +177,7 @@ $D$ = duración del periodo infeccioso
     respiratorio de la Influenza estacional, Ébola, Difteria, Viruela y
     Sarampión.
 
-    ![](fig/R0s%20plot.jpeg)
+    ![](fig/R0s_plot.jpeg)
 
 [Número de reproducción efectivo,]{#rt}$R_t$