diff --git a/gui/daemon.js b/gui/daemon.js
index c866e782..d3219732 100644
--- a/gui/daemon.js
+++ b/gui/daemon.js
@@ -85,7 +85,7 @@ daemon.on('end', function(data) {
 writeDaemonCommand = function(command) {
 
     // we use the writingCommand function to update our TCPIP state because we are calling this function a lot
-    // if socket openend, we are able to run commands
+    // if socket opened, we are able to run commands
     if (daemon.readyState == 'open') {
         //uiMain.setDAEMONconnection('open')
         daemon.write(command + '\n');
diff --git a/gui/preload-chat.js b/gui/preload-chat.js
index da3a228f..25356048 100644
--- a/gui/preload-chat.js
+++ b/gui/preload-chat.js
@@ -595,7 +595,7 @@ update_chat = function(obj) {
         if (obj.type == 'newchat') {
             var new_message = `
                 <div class="p-0 rounded m-auto mt-1 w-50 bg-light bg-gradient" id="msg-${obj._id}">         
-                    <p class="text-small text-dark text-break" style="font-size: 0.7rem;"><i class="m-3 bi bi-file-earmark-plus"></i> new chat openend - ${timestamp}     </p>
+                    <p class="text-small text-dark text-break" style="font-size: 0.7rem;"><i class="m-3 bi bi-file-earmark-plus"></i> new chat opened - ${timestamp}     </p>
                 </div>
             `;
         }
diff --git a/gui/sock.js b/gui/sock.js
index ad3eae83..fc442ed6 100644
--- a/gui/sock.js
+++ b/gui/sock.js
@@ -105,7 +105,7 @@ writeTncCommand = function(command) {
     
     //socketLog.info(command)
     // we use the writingCommand function to update our TCPIP state because we are calling this function a lot
-    // if socket openend, we are able to run commands
+    // if socket opened, we are able to run commands
 
     
     
diff --git a/gui/src/index.html b/gui/src/index.html
index 6dc1f331..d4327610 100644
--- a/gui/src/index.html
+++ b/gui/src/index.html
@@ -23,7 +23,7 @@
 	<nav class="navbar bg-light fixed-top mt-0 mb-1 pb-1 pt-1 shadow-sm">
 		<div class="container-fluid mt-0">
 			<div class="btn-toolbar" role="toolbar" aria-label="Toolbar with button groups">
-				<div class="btn-group btn-group-sm me-2" role="group" aria-label="local-remote-switch toggle button group" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="true" title="Select a local or a remote location of your tnc daemon. Normally local is the preferred option.">
+				<div class="btn-group btn-group-sm me-2" role="group" aria-label="local-remote-switch toggle button group" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="true" title="Select a local or a remote location of your TNC daemon. Normally local is the preferred option.">
 					<input type="radio" class="btn-check" name="local-remote-switch" id="local-remote-switch1" autocomplete="off" checked>
 					<label class="btn btn-sm btn-outline-secondary" for="local-remote-switch1">
 					<i class="bi bi-pc-display-horizontal" style="font-size: 1rem; color: black;"></i>
@@ -43,7 +43,7 @@
 						
 					</button>
 				</div>
-				<div class="input-group input-group-sm" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="true" title="Start or stop the tnc process. Please set your audio and radio settings first!">
+				<div class="input-group input-group-sm" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="true" title="Start or stop the TNC process. Please set your audio and radio settings first!">
 					<button type="button" id="startTNC" class="btn btn-sm btn-success">
 						<i class="bi bi-play-fill" style="font-size: 1rem; color: white;"></i>
 						
@@ -173,7 +173,7 @@
 				<!-- RECEIVING BEACON -->
 				<div class="toast align-items-center text-white bg-primary border-0" id="toastBEACONreceiving" role="alert" aria-live="assertive" aria-atomic="true">
 					<div class="d-flex">
-						<div class="toast-body">Receiving a beacons signal!</div>
+						<div class="toast-body">Receiving a beacon signal!</div>
 						<button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
 					</div>
 				</div>
@@ -222,7 +222,7 @@
 				<!-- DATACHANNEL RECEIVED OPENER -->
 				<div class="toast align-items-center text-white bg-secondary border-0" id="toastDATACHANNELreceivedopener" role="alert" aria-live="assertive" aria-atomic="true">
 					<div class="d-flex">
-						<div class="toast-body">INCOMMING FILE TRANSMISSION</div>
+						<div class="toast-body">INCOMING FILE TRANSMISSION</div>
 						<button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
 					</div>
 				</div>
@@ -243,14 +243,14 @@
 				<!-- ARQ RECEIVING SUCCESS -->
 				<div class="toast align-items-center text-white bg-success border-0" id="toastARQreceivingsuccess" role="alert" aria-live="assertive" aria-atomic="true">
 					<div class="d-flex">
-						<div class="toast-body">FILE SUCCESSFULL RECEIVED!</div>
+						<div class="toast-body">FILE SUCCESSFULLY RECEIVED!</div>
 						<button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
 					</div>
 				</div>
 				<!-- ARQ RECEIVING FAILED -->
 				<div class="toast align-items-center text-white bg-danger border-0" id="toastARQreceivingfailed" role="alert" aria-live="assertive" aria-atomic="true">
 					<div class="d-flex">
-						<div class="toast-body">FILE NOT SUCCESSFULL RECEIVED!</div>
+						<div class="toast-body">FILE NOT SUCCESSFULLY RECEIVED!</div>
 						<button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
 					</div>
 				</div>
@@ -325,7 +325,7 @@
 								<label class="btn btn-sm btn-outline-secondary" for="radio-control-switch3"><strong>rigctld</strong>
 								</label>
 							</div>
-							<div class="btn-group" role="group" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="true" title="Set advanced hamlib settings like stop_bits and data_bits or a different port for a ptt device">
+							<div class="btn-group" role="group" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="true" title="Set advanced hamlib settings like stop_bits and data_bits or a different port for a PTT device">
 								<button type="button" id="advancedHamlibSettingsButton" data-bs-toggle="modal" data-bs-target="#advancedHamlibSettingsModal" class="btn btn-sm btn-secondary">
 									<i class="bi bi-sliders" style="font-size: 0.8rem; color: black;"></i>
 								</button>
@@ -770,11 +770,11 @@
 							</div>
 							<div class="form-check form-switch form-check-inline">
 								<input class="form-check-input" type="checkbox" id="500HzModeSwitch">
-								<label class="form-check-label" for="500HzModeSwitch">500Hz</label>
+								<label class="form-check-label" for="500HzModeSwitch">500Hz (HF)</label>
 							</div>
 							<div class="form-check form-switch form-check-inline">
 								<input class="form-check-input" type="checkbox" id="fskModeSwitch" disabled>
-								<label class="form-check-label" for="fskModeSwitch">FSK</label>
+								<label class="form-check-label" for="fskModeSwitch">FSK (VHF+)</label>
 							</div>
 							
 							<!--<button class="btn btn-secondary btn-sm" id="python_version" type="button" disabled>Python</button>-->
@@ -852,7 +852,7 @@
 									</div>
 								</div>
 								<div class="col-md-auto">
-									<div class="input-group input-group-sm" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="false" title="Start or stop the Beacon mode. You can also set the interval. While sending a beacon, you can receive ping requests and open a datachannel. If a datachannel is openend, the beacon pauses.">
+									<div class="input-group input-group-sm" data-bs-placement="bottom" data-bs-toggle="tooltip" data-bs-html="false" title="Start or stop the Beacon mode. You can also set the interval. While sending a beacon, you can receive ping requests and open a datachannel. If a datachannel is opened, the beacon pauses.">
 										<button type="button" id="startBeacon" class="btn btn-sm btn-success">
 											<i class="bi bi-arrow-clockwise" style="font-size: 0.8rem; color: white;"></i>
 										</button>
diff --git a/test/test_multimode_tx.py b/test/test_multimode_tx.py
index 8cb919ff..1aaa74ec 100644
--- a/test/test_multimode_tx.py
+++ b/test/test_multimode_tx.py
@@ -141,7 +141,7 @@ for m in modes:
             #print(f"time: {timeneeded} buffer: {len(txbuffer)}", file=sys.stderr)  
        
             
-# and at last check if we had an openend pyaudio instance and close it
+# and at last check if we had an opened pyaudio instance and close it
 if AUDIO_OUTPUT_DEVICE != -1: 
     time.sleep(stream_tx.get_output_latency())
     stream_tx.stop_stream()
diff --git a/test/test_rx.py b/test/test_rx.py
index bed8428a..293ff369 100644
--- a/test/test_rx.py
+++ b/test/test_rx.py
@@ -187,7 +187,7 @@ if nread_exceptions:
 print(f"RECEIVED BURSTS: {rx_bursts} RECEIVED FRAMES: {rx_total_frames} RX_ERRORS: {rx_errors}", file=sys.stderr)
 frx.close()
 
-# and at last check if we had an openend pyaudio instance and close it
+# and at last check if we had an opened pyaudio instance and close it
 if AUDIO_INPUT_DEVICE != -1: 
     stream_rx.close()
     p.terminate()
diff --git a/tnc/data_handler.py b/tnc/data_handler.py
index 02c21c70..ceb35cb4 100644
--- a/tnc/data_handler.py
+++ b/tnc/data_handler.py
@@ -1056,7 +1056,7 @@ class DATA():
                 timeout = time.time() + 3    
                 while time.time() < timeout:    
                     time.sleep(0.01)
-                    # break if data channel is openend    
+                    # break if data channel is opened    
                     if static.ARQ_SESSION:
                         # eventuell einfach nur return true um die nächste break ebene zu vermeiden?
                         break
@@ -1277,7 +1277,7 @@ class DATA():
                 timeout = time.time() + 3    
                 while time.time() < timeout:    
                     time.sleep(0.01)
-                    # break if data channel is openend    
+                    # break if data channel is opened    
                     if static.ARQ_STATE:
                         break
                 if static.ARQ_STATE:
diff --git a/tnc/main.py b/tnc/main.py
index 2d153029..7a3dc619 100755
--- a/tnc/main.py
+++ b/tnc/main.py
@@ -38,7 +38,7 @@ def signal_handler(sig, frame):
     Returns: system exit
 
     """
-    print('Closing tnc...')
+    print('Closing TNC...')
     sock.CLOSE_SIGNAL = True
     sys.exit(0)
     
diff --git a/tnc/rig.py b/tnc/rig.py
index 1a0b42bb..05e62548 100644
--- a/tnc/rig.py
+++ b/tnc/rig.py
@@ -197,7 +197,7 @@ class radio:
                     help_url = 'https://github.com/DJ2LS/FreeDATA/wiki/UBUNTU-Manual-installation#1-permissions'
                     structlog.get_logger("structlog").error("[RIG] HELP:", check = help_url)
             except:
-                structlog.get_logger("structlog").info("[RIG] Hamlib device openend", status='SUCCESS')
+                structlog.get_logger("structlog").info("[RIG] Hamlib device opened", status='SUCCESS')
 
 
             # set ptt to false if ptt is stuck for some reason