diff --git a/POEM.rdf b/POEM.rdf
index 9552500..dbf4b40 100644
--- a/POEM.rdf
+++ b/POEM.rdf
@@ -22,6 +22,7 @@
      xmlns:resource="http://semanticscience.org/resource/"
      xmlns:elements1="http://purl.org/ontology/POEM.org/dc/elements/1.1/">
     <owl:Ontology rdf:about="http://purl.org/ontology/POEM">
+        <owl:imports rdf:resource="http://semanticscience.org/ontology/sio.owl"/>
         <owl:imports rdf:resource="http://www.semanticweb.org/kelsey/ontologies/2023/2/hasco"/>
         <dc:creator>Kelsey Rook</dc:creator>
         <terms:description>The Psychometric Ontology of Experience and Measures provides an ontology of domain concepts for the measurement of symptoms and syndromes related to psychiatric conditions.</terms:description>
@@ -82,7 +83,7 @@
     <!-- http://purl.org/ontology/POEM#canRespondTo -->
 
     <owl:ObjectProperty rdf:about="http://purl.org/ontology/POEM#canRespondTo">
-        <owl:inverseOf rdf:resource="http://purl.org/ontology/POEM#hasPossibleRespondant"/>
+        <owl:inverseOf rdf:resource="http://purl.org/ontology/POEM#hasPossibleRespondent"/>
         <rdfs:domain rdf:resource="http://semanticscience.org/resource/SIO_000485"/>
         <rdfs:range rdf:resource="http://hadatac.org/ont/vstoi#Questionnaire"/>
         <rdfs:label>can respond to</rdfs:label>
@@ -110,12 +111,12 @@
     
 
 
-    <!-- http://purl.org/ontology/POEM#hasPossibleRespondant -->
+    <!-- http://purl.org/ontology/POEM#hasPossibleRespondent -->
 
-    <owl:ObjectProperty rdf:about="http://purl.org/ontology/POEM#hasPossibleRespondant">
+    <owl:ObjectProperty rdf:about="http://purl.org/ontology/POEM#hasPossibleRespondent">
         <rdfs:domain rdf:resource="http://hadatac.org/ont/vstoi#Questionnaire"/>
         <rdfs:range rdf:resource="http://semanticscience.org/resource/SIO_000485"/>
-        <rdfs:label>has possible respondant</rdfs:label>
+        <rdfs:label>has possible respondent</rdfs:label>
     </owl:ObjectProperty>
     
 
@@ -169,6 +170,7 @@
     <owl:ObjectProperty rdf:about="http://purl.org/ontology/POEM#indicatesExperience">
         <owl:inverseOf rdf:resource="http://purl.org/ontology/POEM#isIndicatedBy"/>
         <rdfs:domain rdf:resource="http://purl.org/ontology/POEM#SymptomExperience"/>
+        <rdfs:label>indicates experience</rdfs:label>
     </owl:ObjectProperty>
     
 
@@ -182,7 +184,7 @@
         <rdfs:range rdf:resource="http://purl.org/ontology/POEM#Condition"/>
         <rdfs:label>is about condition</rdfs:label>
     </owl:ObjectProperty>
-    
+
 
 
     <!-- http://purl.org/ontology/POEM#isDetectedBy -->
@@ -207,6 +209,7 @@
 
     <owl:ObjectProperty rdf:about="http://purl.org/ontology/POEM#isIndicatedBy">
         <rdfs:range rdf:resource="http://purl.org/ontology/POEM#SymptomExperience"/>
+        <rdfs:label>is indicated by</rdfs:label>
     </owl:ObjectProperty>