diff --git a/src/components/Gradebook/index.jsx b/src/components/Gradebook/index.jsx
index 3650490..595250c 100644
--- a/src/components/Gradebook/index.jsx
+++ b/src/components/Gradebook/index.jsx
@@ -138,7 +138,7 @@ export default class Gradebook extends React.Component {
     const typedValue = { label: assignment, type, id };
     this.props.updateAssignmentFilter(typedValue);
     this.updateQueryParams({ assignment: id });
-    this.props.updateGradesIfAssigGradeFiltersSet(
+    this.props.updateGradesIfAssignmentGradeFiltersSet(
       this.props.courseId,
       this.props.selectedCohort,
       this.props.selectedTrack,
@@ -862,5 +862,5 @@ Gradebook.propTypes = {
   filteredUsersCount: PropTypes.number,
   showDownloadButtons: PropTypes.bool,
   initializeFilters: PropTypes.func.isRequired,
-  updateGradesIfAssigGradeFiltersSet: PropTypes.func.isRequired,
+  updateGradesIfAssignmentGradeFiltersSet: PropTypes.func.isRequired,
 };
diff --git a/src/containers/GradebookPage/index.jsx b/src/containers/GradebookPage/index.jsx
index 0ea92ce..931c3a4 100644
--- a/src/containers/GradebookPage/index.jsx
+++ b/src/containers/GradebookPage/index.jsx
@@ -11,13 +11,13 @@ import {
   submitFileUploadFormData,
   toggleGradeFormat,
   updateGrades,
-  updateGradesIfAssigGradeFiltersSet,
+  updateGradesIfAssignmentGradeFiltersSet,
 } from '../../data/actions/grades';
 import { fetchCohorts } from '../../data/actions/cohorts';
 import { fetchTracks } from '../../data/actions/tracks';
 import { initializeFilters, updateAssignmentFilter, updateAssignmentLimits } from '../../data/actions/filters';
 import stateHasMastersTrack from '../../data/selectors/tracks';
-import { getBulkManagementHistory, getHeadings, formatMinAssigGrade, formatMaxAssigGrade } from '../../data/selectors/grades';
+import { getBulkManagementHistory, getHeadings, formatMinAssignmentGrade, formatMaxAssignmentGrade } from '../../data/selectors/grades';
 import { selectableAssignmentLabels } from '../../data/selectors/filters';
 import { getCohortNameById } from '../../data/selectors/cohorts';
 import { fetchAssignmentTypes } from '../../data/actions/assignmentTypes';
@@ -51,8 +51,8 @@ const mapStateToProps = (state, ownProps) => (
     selectedCohort: state.filters.cohort,
     selectedAssignmentType: state.filters.assignmentType,
     selectedAssignment: (state.filters.assignment || {}).label,
-    selectedMinAssigGrade: state.filters.assignmentGradeMin || 0,
-    selectedMaxAssigGrade: state.filters.assignmentGradeMax || 100,
+    selectedMinAssignmentGrade: state.filters.assignmentGradeMin || 0,
+    selectedMaxAssignmentGrade: state.filters.assignmentGradeMax || 100,
     format: state.grades.gradeFormat,
     showSuccess: state.grades.showSuccess,
     errorFetchingGradeOverrideHistory: state.grades.errorFetchingOverrideHistory,
@@ -68,12 +68,12 @@ const mapStateToProps = (state, ownProps) => (
       track: state.filters.track,
       assignment: (state.filters.assignment || {}).id,
       assignmentType: state.filters.assignmentType,
-      assignmentGradeMin: formatMinAssigGrade(
+      assignmentGradeMin: formatMinAssignmentGrade(
         state,
         (state.filters.assignment || {}).id,
         state.filters.assignmentGradeMin,
       ),
-      assignmentGradeMax: formatMaxAssigGrade(
+      assignmentGradeMax: formatMaxAssignmentGrade(
         state,
         (state.filters.assignment || {}).id,
         state.filters.assignmentGradeMax,
@@ -112,7 +112,7 @@ const mapDispatchToProps = {
   initializeFilters,
   updateAssignmentFilter,
   updateAssignmentLimits,
-  updateGradesIfAssigGradeFiltersSet,
+  updateGradesIfAssignmentGradeFiltersSet,
 };
 
 const GradebookPage = connect(
diff --git a/src/data/actions/grades.js b/src/data/actions/grades.js
index 9ceaf21..afc29cf 100644
--- a/src/data/actions/grades.js
+++ b/src/data/actions/grades.js
@@ -20,7 +20,7 @@ import {
 } from '../constants/actionTypes/grades';
 import LmsApiService from '../services/LmsApiService';
 import { sortAlphaAsc, formatDateForDisplay } from './utils';
-import { formatMaxAssigGrade, formatMinAssigGrade } from '../selectors/grades';
+import { formatMaxAssignmentGrade, formatMinAssignmentGrade } from '../selectors/grades';
 import { getFilters } from '../selectors/filters';
 import apiClient from '../apiClient';
 
@@ -108,12 +108,12 @@ const fetchGrades = (
     dispatch(startedFetchingGrades());
     const {
       assignment,
-      assignmentGradeMax: assigMax,
-      assignmentGradeMin: assigMin,
+      assignmentGradeMax: assignmentMax,
+      assignmentGradeMin: assignmentMin,
     } = getFilters(getState());
     const { id: assignmentId } = assignment || {};
-    const assignmentGradeMax = formatMaxAssigGrade(getState(), assignmentId, assigMax);
-    const assignmentGradeMin = formatMinAssigGrade(getState(), assignmentId, assigMin);
+    const assignmentGradeMax = formatMaxAssignmentGrade(getState(), assignmentId, assignmentMax);
+    const assignmentGradeMin = formatMinAssignmentGrade(getState(), assignmentId, assignmentMin);
     return LmsApiService.fetchGradebookData(
       courseId,
       options.searchText || null,
@@ -264,15 +264,15 @@ const fetchBulkUpgradeHistory = courseId => (
     }).catch(() => dispatch(bulkHistoryError()))
 );
 
-const updateGradesIfAssigGradeFiltersSet = (
+const updateGradesIfAssignmentGradeFiltersSet = (
   courseId,
   cohort,
   track,
   assignmentType,
 ) => (dispatch, getState) => {
   const { filters } = getState();
-  const hasAssigGradeFiltersSet = filters.assignmentGradeMax || filters.assignmentGradeMin;
-  if (hasAssigGradeFiltersSet) {
+  const hasAssignmentGradeFiltersSet = filters.assignmentGradeMax || filters.assignmentGradeMin;
+  if (hasAssignmentGradeFiltersSet) {
     dispatch(fetchGrades(
       courseId,
       cohort,
@@ -300,5 +300,5 @@ export {
   submitFileUploadFormData,
   fetchBulkUpgradeHistory,
   fetchGradeOverrideHistory,
-  updateGradesIfAssigGradeFiltersSet,
+  updateGradesIfAssignmentGradeFiltersSet,
 };
diff --git a/src/data/selectors/grades.js b/src/data/selectors/grades.js
index 172484c..678b017 100644
--- a/src/data/selectors/grades.js
+++ b/src/data/selectors/grades.js
@@ -82,17 +82,22 @@ const getHeadings = (state) => {
   return headingMapper(type, assignment)(assignments);
 };
 
-const formatMaxAssigGrade = (state, assignmentId, percentGrade) => {
+const formatMaxAssignmentGrade = (state, assignmentId, percentGrade) => {
   if (percentGrade === '100') {
     return null;
   }
   return percentGrade;
 };
-const formatMinAssigGrade = (state, assignmentId, percentGrade) => {
+const formatMinAssignmentGrade = (state, assignmentId, percentGrade) => {
   if (percentGrade === '0') {
     return null;
   }
   return percentGrade;
 };
 
-export { getBulkManagementHistory, getHeadings, formatMinAssigGrade, formatMaxAssigGrade };
+export {
+  getBulkManagementHistory,
+  getHeadings,
+  formatMinAssignmentGrade,
+  formatMaxAssignmentGrade,
+};