src: fix spelling errors

Submitted by: Calexium

src/opnsense/mvc/app/controllers/OPNsense/TrafficShaper/forms/dialogRule.xml

@@ -52,7 +52,7 @@
         <label>direction</label>
         <type>dropdown</type>
         <advanced>true</advanced>
-        <help>matches incomming or outgoing packets or both (default)</help>
+        <help>matches incoming or outgoing packets or both (default)</help>
     </field>
     <field>
         <id>rule.target</id>

src/opnsense/mvc/app/models/OPNsense/Proxy/Proxy.xml

@@ -106,13 +106,13 @@
                 <maxDownloadSize type="IntegerField">
                     <default>2048</default>
                     <MinimumValue>1</MinimumValue>
-                    <ValidationMessage>Specify the maximum download size. (number of KB's)</ValidationMessage>
+                    <ValidationMessage>Specify the maximum download size. (number of KBs)</ValidationMessage>
                     <Required>N</Required>
                 </maxDownloadSize>
                 <maxUploadSize type="IntegerField">
                     <default>1024</default>
                     <MinimumValue>1</MinimumValue>
-                    <ValidationMessage>Specify the maximum upload size. (number of KB's)</ValidationMessage>
+                    <ValidationMessage>Specify the maximum upload size. (number of KBs)</ValidationMessage>
                     <Required>N</Required>
                 </maxUploadSize>
                 <OverallBandwidthTrotteling type="IntegerField">