diff --git a/23-049/sections/06-abstract_model.adoc b/23-049/sections/06-abstract_model.adoc
index 353662fe..b98e9524 100644
--- a/23-049/sections/06-abstract_model.adoc
+++ b/23-049/sections/06-abstract_model.adoc
@@ -125,7 +125,7 @@ In this regime, the <<temporal_knowledge,Allen Operators>> (see Figure 2) can be
 
 This regime constitutes an Ordinal Temporal Reference System, with discrete enumerated ordered events.
 
-image::images/IntervalRelations.jpg[align="center"]
+image::images/IntervalRelations.jpg[align="center"] 
 
 === Simple Clocks and Discrete Timescales