diff --git a/practices.tex b/practices.tex
index f2ef7c27..263cbd48 100644
--- a/practices.tex
+++ b/practices.tex
@@ -211,7 +211,7 @@ \subsubsection{Usage}
 
 
 \paragraph{The \sbolheading{entity} property}\label{sec:entity}
-The \sbol{entity} property is REQUIRED and MUST contain a \sbol{URI}s which MAY refer to an SBOL Identified object.
+The \sbol{entity} property is REQUIRED and MUST contain a \sbol{URI} which MAY refer to an SBOL Identified object.
 
 \paragraph{The \sbolheading{hadRole} property}\label{sec:hadRole:usage}
 The \sbolmult{hadRole:usage}{hadRole} property is REQUIRED and MAY contain a \sbol{URI} that refers to a particular term describing the usage of an \sbol{entity} referenced by the \sbol{entity} property.