diff --git a/data/instance/party/profile/proficency-scale.mjson b/data/instance/party/profile/proficiency-scale.mjson
similarity index 83%
rename from data/instance/party/profile/proficency-scale.mjson
rename to data/instance/party/profile/proficiency-scale.mjson
index aad5d46..44a0c31 100644
--- a/data/instance/party/profile/proficency-scale.mjson
+++ b/data/instance/party/profile/proficiency-scale.mjson
@@ -6,11 +6,11 @@
         ]
     },
     "0199f8df-c7b4-7cdc-b68e-78042e80fa30": {
-        "prototype": "data/model/party/profiule/proficency-scale",
+        "prototype": "data/model/party/profile/proficiency-scale",
         "values": {
             "name": {
                 "en": {
-                    "US": "Four Level Proficency Scale"
+                    "US": "Four Level Proficiency Scale"
                 },
                 "fr": {
                     "FR": ""
diff --git a/data/model.mjson b/data/model.mjson
index 79028fa..fa1a227 100644
--- a/data/model.mjson
+++ b/data/model.mjson
@@ -304,11 +304,11 @@
     "PersonalStrengthAssessment": {
         "object": "./model/party/profile/personal-strength-assessment.mjson"
     },
-    "ProficencyScale": {
-        "object": "./model/party/profile/proficency-scale.mjson"
+    "ProficiencyScale": {
+        "object": "./model/party/profile/proficiency-scale.mjson"
     },
-    "ProficencyLevel": {
-        "object": "./model/party/profile/proficency-level.mjson"
+    "ProficiencyLevel": {
+        "object": "./model/party/profile/proficiency-level.mjson"
     },
     "Skill": {
         "object": "./model/party/profile/skill.mjson"
diff --git a/data/model/job-role-skill-expectation.js b/data/model/job-role-skill-expectation.js
index 4ce7d4f..7cfbfd1 100644
--- a/data/model/job-role-skill-expectation.js
+++ b/data/model/job-role-skill-expectation.js
@@ -16,7 +16,7 @@ exports.JobRoleSkillExpectation = DataObject.specialize(/** @lends JobRoleSkillE
     name: {
         value: undefined
     },
-    proficencyScale: {
+    proficiencyScale: {
         value: undefined
     }
 
diff --git a/data/model/job-role-skill-expectation.mjson b/data/model/job-role-skill-expectation.mjson
index ea137cf..f32fe29 100644
--- a/data/model/job-role-skill-expectation.mjson
+++ b/data/model/job-role-skill-expectation.mjson
@@ -69,17 +69,17 @@
 
         }
     },
-    "ProficencyLevelDescriptor": {
-        "object": "data/model/party/profile/proficency-level.mjson"
+    "ProficiencyLevelDescriptor": {
+        "object": "data/model/party/profile/proficiency-level.mjson"
     },
-    "roleHoldeProficiency": {
+    "roleHolderProficiency": {
         "prototype": "mod/core/meta/property-descriptor",
         "values": {
-            "name": "roleHoldeProficiency",
+            "name": "roleHolderProficiency",
             "valueType": "object",
             "cardinality": 1,
-            "valueDescriptor": {"@": "ProficencyLevelDescriptor"},
-            "description": "Expections regarding role holder's proficency at that role. That might need to be a range?"
+            "valueDescriptor": {"@": "ProficiencyLevelDescriptor"},
+            "description": "Expectations regarding role holder's proficiency at that role. That might need to be a range?"
         }
     }
 }
\ No newline at end of file
diff --git a/data/model/job-role-skill-importance-level.mjson b/data/model/job-role-skill-importance-level.mjson
index 8273184..84ce388 100644
--- a/data/model/job-role-skill-importance-level.mjson
+++ b/data/model/job-role-skill-importance-level.mjson
@@ -3,7 +3,7 @@
         "prototype": "mod/core/meta/module-object-descriptor",
         "values": {
             "name": "JobRoleSkillImportanceLevel",
-            "description": "Models proficency levels such as Beginner, Intermediate, Advanced, Expert. Together they belong to a scale",
+            "description": "Models proficiency levels such as Beginner, Intermediate, Advanced, Expert. Together they belong to a scale",
             "propertyDescriptors": [
                 {"@": "name"},
                 {"@": "scale"},
@@ -39,7 +39,7 @@
             "isMandatory": true
         }
     },
-    "proficencyScaleDescriptor": {
+    "proficiencyScaleDescriptor": {
         "object": "./job-role-skill-importance-level.mjson"
     },
     "scale": {
@@ -48,7 +48,7 @@
             "name": "scale",
             "valueType": "object",
             "cardinality": -1,
-            "valueDescriptor": {"@": "proficencyScaleDescriptor"},
+            "valueDescriptor": {"@": "proficiencyScaleDescriptor"},
             "inversePropertyName": "levels"
         }
     },
diff --git a/data/model/job-role-skill-importance-scale.mjson b/data/model/job-role-skill-importance-scale.mjson
index 9d32b85..3cf8e9e 100644
--- a/data/model/job-role-skill-importance-scale.mjson
+++ b/data/model/job-role-skill-importance-scale.mjson
@@ -38,8 +38,8 @@
             "isMandatory": true
         }
     },
-    "proficencyLevelDescriptor": {
-        "object": "./party/profile/proficency-level.mjson"
+    "proficiencyLevelDescriptor": {
+        "object": "./party/profile/proficiency-level.mjson"
     },
     "levels": {
         "prototype": "mod/core/meta/property-descriptor",
@@ -47,8 +47,8 @@
             "name": "levels",
             "valueType": "object",
             "cardinality": -1,
-            "valueDescriptor": {"@": "proficencyLevelDescriptor"},
-            "inversePropertyName": "proficencyScale"
+            "valueDescriptor": {"@": "proficiencyLevelDescriptor"},
+            "inversePropertyName": "proficiencyScale"
         }
     }
 }
diff --git a/data/model/party/profile/personal-skill-assessment.mjson b/data/model/party/profile/personal-skill-assessment.mjson
index 7d8f9a2..58c68b6 100644
--- a/data/model/party/profile/personal-skill-assessment.mjson
+++ b/data/model/party/profile/personal-skill-assessment.mjson
@@ -12,7 +12,7 @@
                     "@": "skill"
                 },
                 {
-                    "@": "selfAssessedProficencyLevel"
+                    "@": "selfAssessedProficiencyLevel"
                 },
                 {
                     "@": "assessmentQuestionnaires"
@@ -54,7 +54,7 @@
             "valueDescriptor": {
                 "@": "PersonDescriptor"
             },
-            "inversePropertyName": "strengthAssessments"
+            "inversePropertyName": "skillAssessments"
         }
     },
     "SkillDescriptor": {
@@ -72,17 +72,17 @@
             "inversePropertyName": "personalSkillAssessments"
         }
     },
-    "ProficencyLevelDescriptor": {
-        "object": "./proficency-level.mjson"
+    "ProficiencyLevelDescriptor": {
+        "object": "./proficiency-level.mjson"
     },
-    "selfAssessedProficencyLevel": {
+    "selfAssessedProficiencyLevel": {
         "prototype": "mod/core/meta/property-descriptor",
         "values": {
-            "name": "selfAssessedProficencyLevel",
+            "name": "selfAssessedProficiencyLevel",
             "valueType": "object",
             "cardinality": 1,
             "valueDescriptor": {
-                "@": "ProficencyLevelDescriptor"
+                "@": "ProficiencyLevelDescriptor"
             },
             "isSearchable": true
         }
diff --git a/data/model/party/profile/personal-strength-assessment.js b/data/model/party/profile/personal-strength-assessment.js
index e6c07a3..f8d6eea 100644
--- a/data/model/party/profile/personal-strength-assessment.js
+++ b/data/model/party/profile/personal-strength-assessment.js
@@ -16,7 +16,7 @@ exports.PersonalStrengthAssessment = DataObject.specialize(/** @lends PersonalSt
     name: {
         value: undefined
     },
-    proficencyScale: {
+    proficiencyScale: {
         value: undefined
     }
 
diff --git a/data/model/party/profile/personal-strength.js b/data/model/party/profile/personal-strength.js
index 673f69b..50d5167 100644
--- a/data/model/party/profile/personal-strength.js
+++ b/data/model/party/profile/personal-strength.js
@@ -16,7 +16,7 @@ exports.PersonalStrength = DataObject.specialize(/** @lends PersonalStrength.pro
     name: {
         value: undefined
     },
-    proficencyScale: {
+    proficiencyScale: {
         value: undefined
     }
 
diff --git a/data/model/party/profile/professional-profile.mjson b/data/model/party/profile/professional-profile.mjson
index c8408b7..7e7f80d 100644
--- a/data/model/party/profile/professional-profile.mjson
+++ b/data/model/party/profile/professional-profile.mjson
@@ -91,7 +91,7 @@
         }
     },
 
-    "PersonalSkillAssesssmentDescriptor": {
+    "PersonalSkillAssessmentDescriptor": {
         "object": "./personal-skill-assessment.mjson"
     },
     "skillAssessments": {
@@ -100,7 +100,7 @@
             "name": "skillAssessments",
             "cardinality": -1,
             "valueType": "object",
-            "valueDescriptor": {"@": "PersonalSkillAssesssmentDescriptor"}
+            "valueDescriptor": {"@": "PersonalSkillAssessmentDescriptor"}
         }
     },
 
diff --git a/data/model/party/profile/proficency-level.mjson b/data/model/party/profile/proficiency-level.mjson
similarity index 63%
rename from data/model/party/profile/proficency-level.mjson
rename to data/model/party/profile/proficiency-level.mjson
index ff51257..92a2a3f 100644
--- a/data/model/party/profile/proficency-level.mjson
+++ b/data/model/party/profile/proficiency-level.mjson
@@ -2,27 +2,27 @@
     "root": {
         "prototype": "mod/core/meta/module-object-descriptor",
         "values": {
-            "name": "ProficencyLevel",
-            "description": "Models proficency levels such as Beginner, Intermediate, Advanced, Expert. Together they belong to a proficencyScale",
+            "name": "ProficiencyLevel",
+            "description": "Models proficiency levels such as Beginner, Intermediate, Advanced, Expert. Together they belong to a proficiencyScale",
             "propertyDescriptors": [
                 {"@": "name"},
                 {"@": "scale"},
                 {"@": "rank"}
             ],
             "objectDescriptorModule": {
-                "%": "./proficency-level.mjson"
+                "%": "./proficiency-level.mjson"
             },
-            "exportName": "ProficencyLevel",
+            "exportName": "ProficiencyLevel",
             "module": {
-                "%": "./proficency-level"
+                "%": "./proficiency-level"
             },
-            "object":{"@": "proficency-level"},
+            "object":{"@": "proficiency-level"},
             "parent":{"@": "DataObjectDescriptor"}
 
         }
     },
-    "proficency-level": {
-        "object": "./proficency-level"
+    "proficiency-level": {
+        "object": "./proficiency-level"
     },
 
     "DataObjectDescriptor": {
@@ -39,8 +39,8 @@
             "isMandatory": true
         }
     },
-    "proficencyScaleDescriptor": {
-        "object": "./proficency-scale.mjson"
+    "proficiencyScaleDescriptor": {
+        "object": "./proficiency-scale.mjson"
     },
     "scale": {
         "prototype": "mod/core/meta/property-descriptor",
@@ -48,7 +48,7 @@
             "name": "scale",
             "valueType": "object",
             "cardinality": -1,
-            "valueDescriptor": {"@": "proficencyScaleDescriptor"},
+            "valueDescriptor": {"@": "proficiencyScaleDescriptor"},
             "inversePropertyName": "levels"
         }
     },
@@ -59,7 +59,7 @@
             "name": "rank",
             "valueType": "number",
             "isSearchable": true,
-            "description": "The rank of this proficencyLevel within the scale. Other option for naming: order, level"
+            "description": "The rank of this proficiencyLevel within the scale. Other option for naming: order, level"
         }
     }
 
diff --git a/data/model/party/profile/proficency-scale.mjson b/data/model/party/profile/proficiency-scale.mjson
similarity index 65%
rename from data/model/party/profile/proficency-scale.mjson
rename to data/model/party/profile/proficiency-scale.mjson
index 1591b3f..0b4a82d 100644
--- a/data/model/party/profile/proficency-scale.mjson
+++ b/data/model/party/profile/proficiency-scale.mjson
@@ -2,26 +2,26 @@
     "root": {
         "prototype": "mod/core/meta/module-object-descriptor",
         "values": {
-            "name": "ProficencyScale",
-            "description": "ProficencyScale group a list of ",
+            "name": "ProficiencyScale",
+            "description": "ProficiencyScale groups a list of proficiency levels",
             "propertyDescriptors": [
                 {"@": "name"},
                 {"@": "levels"}
             ],
             "objectDescriptorModule": {
-                "%": "./proficency-scale.mjson"
+                "%": "./proficiency-scale.mjson"
             },
-            "exportName": "ProficencyScale",
+            "exportName": "ProficiencyScale",
             "module": {
-                "%": "./proficency-scale"
+                "%": "./proficiency-scale"
             },
-            "object":{"@": "proficency-scale"},
+            "object":{"@": "proficiency-scale"},
             "parent":{"@": "DataObjectDescriptor"}
 
         }
     },
-    "proficency-scale": {
-        "object": "./proficency-scale"
+    "proficiency-scale": {
+        "object": "./proficiency-scale"
     },
 
     "DataObjectDescriptor": {
@@ -38,8 +38,8 @@
             "isMandatory": true
         }
     },
-    "proficencyLevelDescriptor": {
-        "object": "./proficency-level.mjson"
+    "proficiencyLevelDescriptor": {
+        "object": "./proficiency-level.mjson"
     },
     "levels": {
         "prototype": "mod/core/meta/property-descriptor",
@@ -47,7 +47,7 @@
             "name": "levels",
             "valueType": "object",
             "cardinality": -1,
-            "valueDescriptor": {"@": "proficencyLevelDescriptor"},
+            "valueDescriptor": {"@": "proficiencyLevelDescriptor"},
             "inversePropertyName": "scale"
         }
     }
diff --git a/data/model/party/profile/skill.js b/data/model/party/profile/skill.js
index d82565f..bb69041 100644
--- a/data/model/party/profile/skill.js
+++ b/data/model/party/profile/skill.js
@@ -16,7 +16,7 @@ exports.Skill = DataObject.specialize(/** @lends Skill.prototype */ {
     name: {
         value: undefined
     },
-    proficencyScale: {
+    proficiencyScale: {
         value: undefined
     }