diff --git a/examples/wifi_loopback.grc b/examples/wifi_loopback.grc
index 83e4227..e88f4f9 100644
--- a/examples/wifi_loopback.grc
+++ b/examples/wifi_loopback.grc
@@ -1209,7 +1209,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(408, 568)</value>
+      <value>(376, 368)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/examples/wifi_phy_hier.grc b/examples/wifi_phy_hier.grc
index 3baa002..b5fcfde 100644
--- a/examples/wifi_phy_hier.grc
+++ b/examples/wifi_phy_hier.grc
@@ -14,7 +14,7 @@
     </param>
     <param>
       <key>category</key>
-      <value>IEEE802.11</value>
+      <value>[IEEE802.11]</value>
     </param>
     <param>
       <key>comment</key>
diff --git a/examples/wifi_transceiver.grc b/examples/wifi_transceiver.grc
index b1516b4..8b3eb87 100644
--- a/examples/wifi_transceiver.grc
+++ b/examples/wifi_transceiver.grc
@@ -3226,7 +3226,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(200, 744)</value>
+      <value>(288, 496)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/grc/ieee802_11_chunks_to_symbols.xml b/grc/ieee802_11_chunks_to_symbols.xml
index 2cdd2c5..87a1539 100644
--- a/grc/ieee802_11_chunks_to_symbols.xml
+++ b/grc/ieee802_11_chunks_to_symbols.xml
@@ -2,7 +2,7 @@
 <block>
 	<name>Chunks to Symbols</name>
 	<key>ieee802_11_chunks_to_symbols_xx</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.chunks_to_symbols()</make>
 	<sink>
diff --git a/grc/ieee802_11_decode_mac.xml b/grc/ieee802_11_decode_mac.xml
index c89b5a3..d0fc461 100644
--- a/grc/ieee802_11_decode_mac.xml
+++ b/grc/ieee802_11_decode_mac.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>WiFi Decode MAC</name>
 	<key>ieee802_11_decode_mac</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.decode_mac($log, $debug)</make>
 
diff --git a/grc/ieee802_11_ether_encap.xml b/grc/ieee802_11_ether_encap.xml
index 0a5a87c..913ffdc 100644
--- a/grc/ieee802_11_ether_encap.xml
+++ b/grc/ieee802_11_ether_encap.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>Ethernet Encapsulation</name>
 	<key>ieee802_11_ether_encap</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.ether_encap($debug)</make>
 
diff --git a/grc/ieee802_11_mac.xml b/grc/ieee802_11_mac.xml
index 36be835..f7df698 100644
--- a/grc/ieee802_11_mac.xml
+++ b/grc/ieee802_11_mac.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>WiFi MAC</name>
 	<key>ieee802_11_mac</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.mac($src_mac, $dst_mac, $bss_mac)</make>
 
diff --git a/grc/ieee802_11_mapper.xml b/grc/ieee802_11_mapper.xml
index fb30ef2..709a4fa 100644
--- a/grc/ieee802_11_mapper.xml
+++ b/grc/ieee802_11_mapper.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>WiFi Mapper</name>
 	<key>ieee802_11_mapper</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.mapper($encoding, $debug)</make>
 	<callback>set_encoding($encoding)</callback>
diff --git a/grc/ieee802_11_moving_average_xx.xml b/grc/ieee802_11_moving_average_xx.xml
index 53d31b3..5f6d9fc 100644
--- a/grc/ieee802_11_moving_average_xx.xml
+++ b/grc/ieee802_11_moving_average_xx.xml
@@ -2,7 +2,7 @@
 <block>
 	<name>Moving Average</name>
 	<key>ieee802_11_moving_average_xx</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.moving_average_$(type.fcn)($length)</make>
 	<callback>set_length($length)</callback>
diff --git a/grc/ieee802_11_parse_mac.xml b/grc/ieee802_11_parse_mac.xml
index 962dc8c..7626651 100644
--- a/grc/ieee802_11_parse_mac.xml
+++ b/grc/ieee802_11_parse_mac.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>WiFi Parse MAC</name>
 	<key>ieee802_11_parse_mac</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.parse_mac($log, $debug)</make>
 
diff --git a/grc/ieee802_11_sync_long.xml b/grc/ieee802_11_sync_long.xml
index 7ea87f6..6a5db19 100644
--- a/grc/ieee802_11_sync_long.xml
+++ b/grc/ieee802_11_sync_long.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>WiFi Sync Long</name>
 	<key>ieee802_11_sync_long</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.sync_long($sync_length, $log, $debug)</make>
 
diff --git a/grc/ieee802_11_sync_short.xml b/grc/ieee802_11_sync_short.xml
index 94fd6a2..94271ee 100644
--- a/grc/ieee802_11_sync_short.xml
+++ b/grc/ieee802_11_sync_short.xml
@@ -3,7 +3,7 @@
 <block>
 	<name>WiFi Sync Short</name>
 	<key>ieee802_11_sync_short</key>
-	<category>IEEE802.11</category>
+	<category>[IEEE802.11]</category>
 	<import>import ieee802_11</import>
 	<make>ieee802_11.sync_short($threshold, $min_plateau, $log, $debug)</make>