diff --git a/nodes/core/core/20-inject.html b/nodes/core/core/20-inject.html
index 39b27900b..13de668b5 100644
--- a/nodes/core/core/20-inject.html
+++ b/nodes/core/core/20-inject.html
@@ -180,10 +180,10 @@
 
 </style>
 <script type="text/x-red" data-help-name="inject">
-	<p>Pressing the button on the left side of the node allows a message on a topic to be injected into the flow. This is mainly for test purposes.</p>
-	<p>If no payload is specified the payload is set to the current time in millisecs since 1970. This allows subsequent functions to perform time based actions.</p>
-	<p>The repeat function does what it says on the tin and continuously sends the payload every x seconds.</p>
-	<p>The Fire once at start option actually waits 50mS before firing to give other nodes a chance to instantiate properly.</p>
+    <p>Pressing the button on the left side of the node allows a message on a topic to be injected into the flow. This is mainly for test purposes.</p>
+    <p>If no payload is specified the payload is set to the current time in millisecs since 1970. This allows subsequent functions to perform time based actions.</p>
+    <p>The repeat function does what it says on the tin and continuously sends the payload every x seconds.</p>
+    <p>The Fire once at start option actually waits 50mS before firing to give other nodes a chance to instantiate properly.</p>
 </script>
 
 <script type="text/javascript">
@@ -203,7 +203,10 @@
         outputs:1,
         icon: "inject.png",
         label: function() {
-            return this.name||this.topic||this.payload||"inject";
+            if (this.payloadType == "string") {
+                return this.name||this.topic||this.payload||"inject";
+            }
+            else { return this.name||"inject"; }
         },
         labelStyle: function() {
             return this.name?"node_label_italic":"";
@@ -285,7 +288,7 @@
             $(".inject-time-row").hide();
             $("#inject-time-type-select option").filter(function() {return $(this).val() == repeattype;}).attr('selected',true);
             $("#inject-time-row-"+repeattype).show();
-            
+
             if (this.payloadType == null) {
                 if (this.payload == "") {
                     this.payloadType = "date";
@@ -293,7 +296,7 @@
                     this.payloadType = "string";
                 }
             }
-            
+
             $("#node-input-payloadType").change(function() {
                 var id = $("#node-input-payloadType option:selected").val();
                 if (id == "string") {
@@ -303,7 +306,7 @@
                 }
             });
             $("#node-input-payloadType").val(this.payloadType);
-
+            $("#node-input-payloadType").change();
 
         },
         oneditsave: function() {
diff --git a/nodes/core/core/75-exec.html b/nodes/core/core/75-exec.html
index 51c863a6e..2336c021b 100644
--- a/nodes/core/core/75-exec.html
+++ b/nodes/core/core/75-exec.html
@@ -35,11 +35,11 @@
 </script>
 
 <script type="text/x-red" data-help-name="exec">
-	<p>Call to a system command.<br/>This can be very dangerous...</p>
-	<p>Provides 3 outputs... stdout, stderr, and return code.</p>
-	<p>By default uses exec() which calls the command, waits for completion and then returns the complete result in one go. Along with any errors.</p>
-	<p>Optionally can use spawn() instead, which returns output from stdout and stderr as the command runs (ie one line at a time). On completion then returns a return code (on the 3rd output).</p>
-	<p>The optional append gets added to the command after the <b>msg.payload</b> (so you can do things like pipe etc.)</p>
+    <p>Calls out to a system command.<br/></p>
+    <p>Provides 3 outputs... stdout, stderr, and return code.</p>
+    <p>By default uses exec() which calls the command, blocks while waiting for completion, and then returns the complete result in one go, along with any errors.</p>
+    <p>Optionally can use spawn() instead, which returns output from stdout and stderr as the command runs (ie one line at a time). On completion it then returns a return code (on the 3rd output).</p>
+    <p>The optional append gets added to the command after the <b>msg.payload</b> - so you can do things like pipe the result to another command.</p>
 </script>
 
 <script type="text/javascript">