diff --git a/docs/JAMULUS_PROTOCOL.md b/docs/JAMULUS_PROTOCOL.md
index 91069e008b..20fc0438f0 100644
--- a/docs/JAMULUS_PROTOCOL.md
+++ b/docs/JAMULUS_PROTOCOL.md
@@ -64,7 +64,7 @@ The message packet structure is:
 The TAG bytes are zero bytes.
 The ID provides the message type.
 The SEQ is a wrapping sequence number for the message
-LENgth of the data preceeds the data and is followed by a CRC for the packet.
+LENgth of the data precedes the data and is followed by a CRC for the packet.
 
 Data is sent little-endian, i.e. not network byte-order.
 
diff --git a/src/analyzerconsole.cpp b/src/analyzerconsole.cpp
index 3c5635c79c..9ae2b75d02 100644
--- a/src/analyzerconsole.cpp
+++ b/src/analyzerconsole.cpp
@@ -77,7 +77,7 @@ CAnalyzerConsole::CAnalyzerConsole ( CClient* pNCliP, QWidget* parent ) :
 
     setLayout ( pMainLayout );
 
-    // error rate gaph tab
+    // error rate graph tab
     pTabWidgetBufErrRate           = new QWidget();
     QVBoxLayout* pTabErrRateLayout = new QVBoxLayout ( pTabWidgetBufErrRate );
 
diff --git a/src/mac/activity.mm b/src/mac/activity.mm
index 34216977cf..fcaf65e253 100644
--- a/src/mac/activity.mm
+++ b/src/mac/activity.mm
@@ -64,7 +64,7 @@
 
     pActivity->activityId = [[NSProcessInfo processInfo]
         beginActivityWithOptions:options
-                          reason:@"Jamulus provides low latency audio processing and should not be inturrupted by system throttling."];
+                          reason:@"Jamulus provides low latency audio processing and should not be interrupted by system throttling."];
 }
 
 void CActivity::EndActivity()
diff --git a/src/protocol.cpp b/src/protocol.cpp
index a595a24e45..bbb0a859d3 100644
--- a/src/protocol.cpp
+++ b/src/protocol.cpp
@@ -2609,7 +2609,7 @@ bool CProtocol::EvaluateCLRegisterServerResp ( const CHostAddress& InetAddr, con
     const int iSvrRegResult = static_cast<int> ( GetValFromStream ( vecData, iPos, 1 ) );
 
     if ( ( iSvrRegResult != SRR_REGISTERED ) && ( iSvrRegResult != SRR_SERVER_LIST_FULL ) && ( iSvrRegResult != SRR_VERSION_TOO_OLD ) &&
-         ( iSvrRegResult != SRR_NOT_FULFILL_REQIREMENTS ) )
+         ( iSvrRegResult != SRR_NOT_FULFILL_REQUIREMENTS ) )
     {
         return true;
     }
diff --git a/src/serverlist.cpp b/src/serverlist.cpp
index 90cdff4938..03b76f16b5 100644
--- a/src/serverlist.cpp
+++ b/src/serverlist.cpp
@@ -608,7 +608,7 @@ void CServerListManager::Append ( const CHostAddress&    InetAddr,
             // if the server is not listed, refuse registration and send registration response
             if ( !vWhiteList.contains ( InetAddr.InetAddr ) )
             {
-                pConnLessProtocol->CreateCLRegisterServerResp ( InetAddr, SRR_NOT_FULFILL_REQIREMENTS );
+                pConnLessProtocol->CreateCLRegisterServerResp ( InetAddr, SRR_NOT_FULFILL_REQUIREMENTS );
                 return; // leave function early, i.e., we do not register this server
             }
         }
@@ -920,7 +920,7 @@ void CServerListManager::StoreRegistrationResult ( ESvrRegResult eResult )
         SetSvrRegStatus ( ESvrRegStatus::SRS_VERSION_TOO_OLD );
         break;
 
-    case ESvrRegResult::SRR_NOT_FULFILL_REQIREMENTS:
+    case ESvrRegResult::SRR_NOT_FULFILL_REQUIREMENTS:
         SetSvrRegStatus ( ESvrRegStatus::SRS_NOT_FULFILL_REQUIREMENTS );
         break;
 
diff --git a/src/sound/jack/sound.cpp b/src/sound/jack/sound.cpp
index 3868809cb6..a72a9c9059 100644
--- a/src/sound/jack/sound.cpp
+++ b/src/sound/jack/sound.cpp
@@ -348,10 +348,10 @@ int CSound::Init ( const int /* iNewPrefMonoBufferSize */ )
     CSoundBase::Init ( iJACKBufferSizeMono );
 
     // set internal buffer size value and calculate stereo buffer size
-    iJACKBufferSizeStero = 2 * iJACKBufferSizeMono;
+    iJACKBufferSizeStereo = 2 * iJACKBufferSizeMono;
 
     // create memory for intermediate audio buffer
-    vecsTmpAudioSndCrdStereo.Init ( iJACKBufferSizeStero );
+    vecsTmpAudioSndCrdStereo.Init ( iJACKBufferSizeStereo );
 
     return iJACKBufferSizeMono;
 }
diff --git a/src/sound/jack/sound.h b/src/sound/jack/sound.h
index d4f5de2859..024f2b48ef 100644
--- a/src/sound/jack/sound.h
+++ b/src/sound/jack/sound.h
@@ -116,7 +116,7 @@ class CSound : public CSoundBase
     // to access them from the callback function
     CVector<short> vecsTmpAudioSndCrdStereo;
     int            iJACKBufferSizeMono;
-    int            iJACKBufferSizeStero;
+    int            iJACKBufferSizeStereo;
     bool           bJackWasShutDown;
 
     jack_port_t* input_port_left;
diff --git a/src/util.h b/src/util.h
index 84ce8e3261..563fbb58ef 100644
--- a/src/util.h
+++ b/src/util.h
@@ -528,7 +528,7 @@ enum ENetwFlags
 // Audio quality enum ----------------------------------------------------------
 enum EAudioQuality
 {
-    // used for settings and the comobo box index -> enum values must be fixed!
+    // used for settings and the combo box index -> enum values must be fixed!
     AQ_LOW    = 0,
     AQ_NORMAL = 1,
     AQ_HIGH   = 2,
@@ -703,10 +703,10 @@ inline QString svrRegStatusToString ( ESvrRegStatus eSvrRegStatus )
 enum ESvrRegResult
 {
     // used for protocol -> enum values must be fixed!
-    SRR_REGISTERED              = 0,
-    SRR_SERVER_LIST_FULL        = 1,
-    SRR_VERSION_TOO_OLD         = 2,
-    SRR_NOT_FULFILL_REQIREMENTS = 3
+    SRR_REGISTERED               = 0,
+    SRR_SERVER_LIST_FULL         = 1,
+    SRR_VERSION_TOO_OLD          = 2,
+    SRR_NOT_FULFILL_REQUIREMENTS = 3
 };
 
 // Skill level enum ------------------------------------------------------------