diff --git a/grc/ccs_periodic_msg_source.xml b/grc/ccs_periodic_msg_source.xml
index c9e2106..5bf9d41 100644
--- a/grc/ccs_periodic_msg_source.xml
+++ b/grc/ccs_periodic_msg_source.xml
@@ -5,6 +5,7 @@
 	<key>ccs_periodic_msg_source</key>
 	<category>CCS</category>
 	<import>import ccs</import>
+	<import>import pmt</import>
 	<make>ccs..periodic_msg_source($msg, $interval, $num, $debug)</make>
 	<param>
 		<name>Message PMT</name>
diff --git a/grc/ccs_string_to_blob.xml b/grc/ccs_string_to_blob.xml
index 253b082..377a63a 100644
--- a/grc/ccs_string_to_blob.xml
+++ b/grc/ccs_string_to_blob.xml
@@ -4,7 +4,7 @@
 	<name>String to Blob</name>
 	<key>ccs_string_to_blob</key>
 	<category>CCS</category>
-	<import>import cccs</import>
+	<import>import ccs</import>
 	<make>ccs.string_to_blob()</make>
 
 	<sink>