fix: knowledgebase -> knowledge base

app/scenes/Settings/Events.js

@@ -71,7 +71,7 @@ class Events extends React.Component<Props> {
         <h1>Audit Log</h1>
         <HelpText>
           The audit log details the history of security related and other events
-          across your knowledgebase.
+          across your knowledge base.
         </HelpText>
 
         <Tabs>

app/scenes/Settings/Export.js

@@ -45,7 +45,7 @@ class Export extends React.Component<Props> {
         <h1>Export Data</h1>
         <HelpText>
           Exporting your team’s documents may take a little time depending on
-          the size of your knowledgebase. Consider exporting a single document
+          the size of your knowledge base. Consider exporting a single document
           or collection instead.
         </HelpText>
         <HelpText>

app/scenes/Settings/Security.js

@@ -66,7 +66,7 @@ class Security extends React.Component<Props> {
         <h1>Security</h1>
         <HelpText>
           Settings that impact the access, security, and content of your
-          knowledgebase.
+          knowledge base.
         </HelpText>
 
         <Checkbox