diff --git a/cmd/dlv/dlv_test.go b/cmd/dlv/dlv_test.go
index a8831497..1533906d 100644
--- a/cmd/dlv/dlv_test.go
+++ b/cmd/dlv/dlv_test.go
@@ -810,7 +810,7 @@ func TestRemoteDAPClientMulti(t *testing.T) {
 	dapclient2.ExpectTerminatedEvent(t)
 	closeDAPRemoteMultiClient(t, dapclient2, "exited")
 
-	// Attach to exited processs is an error
+	// Attach to exited processes is an error
 	dapclient3 := daptest.NewClient(listenAddr)
 	dapclient3.AttachRequest(map[string]interface{}{"mode": "remote", "stopOnEntry": true})
 	dapclient3.ExpectErrorResponseWith(t, dap.FailedToAttach, `Process \d+ has exited with status 0`, true)
diff --git a/pkg/dwarf/godwarf/tree.go b/pkg/dwarf/godwarf/tree.go
index 64cb84d5..e36c3a99 100644
--- a/pkg/dwarf/godwarf/tree.go
+++ b/pkg/dwarf/godwarf/tree.go
@@ -194,7 +194,7 @@ func max(a, b uint64) uint64 {
 
 // fuseRanges fuses rngs2 into rngs1, it's the equivalent of
 //     normalizeRanges(append(rngs1, rngs2))
-// but more efficent.
+// but more efficient.
 func fuseRanges(rngs1, rngs2 [][2]uint64) [][2]uint64 {
 	if rangesContains(rngs1, rngs2) {
 		return rngs1
diff --git a/pkg/proc/bininfo.go b/pkg/proc/bininfo.go
index 8b77e474..736a8dc6 100644
--- a/pkg/proc/bininfo.go
+++ b/pkg/proc/bininfo.go
@@ -191,7 +191,7 @@ func FindFileLocation(p Process, filename string, lineno int) ([]uint64, error)
 		return nil, &ErrCouldNotFindLine{fileFound, filename, lineno}
 	}
 
-	// 2. assign all occurences of filename:lineno to their containing function
+	// 2. assign all occurrences of filename:lineno to their containing function
 
 	pcByFunc := map[*Function][]line.PCStmt{}
 	sort.Slice(pcs, func(i, j int) bool { return pcs[i].PC < pcs[j].PC })
diff --git a/pkg/proc/dump.go b/pkg/proc/dump.go
index 3989dc00..ee693d61 100644
--- a/pkg/proc/dump.go
+++ b/pkg/proc/dump.go
@@ -36,7 +36,7 @@ type DumpState struct {
 type DumpFlags uint16
 
 const (
-	DumpPlatformIndependent DumpFlags = 1 << iota // always use platfrom-independent notes format
+	DumpPlatformIndependent DumpFlags = 1 << iota // always use platform-independent notes format
 )
 
 // MemoryMapEntry represent a memory mapping in the target process.
diff --git a/pkg/proc/fncall.go b/pkg/proc/fncall.go
index 9a9ddc50..8a88d25b 100644
--- a/pkg/proc/fncall.go
+++ b/pkg/proc/fncall.go
@@ -270,7 +270,7 @@ func evalFunctionCall(scope *EvalScope, node *ast.CallExpr) (*Variable, error) {
 	if thread == nil {
 		// We are doing a nested function call and using Go 1.15, the original
 		// injection goroutine was suspended and now we are using a different
-		// goroutine, evaluation still happend on the original goroutine but we
+		// goroutine, evaluation still happened on the original goroutine but we
 		// need to use a different thread to do the nested call injection.
 		thread = scope.callCtx.injectionThread
 		g2, err := GetG(thread)
diff --git a/pkg/proc/native/threads_darwin.c b/pkg/proc/native/threads_darwin.c
index 2b48f8dc..3886cd3b 100644
--- a/pkg/proc/native/threads_darwin.c
+++ b/pkg/proc/native/threads_darwin.c
@@ -14,7 +14,7 @@ write_memory(task_t task, mach_vm_address_t addr, void *d, mach_msg_type_number_
 	kret = mach_vm_region((vm_map_t)task, &(mach_vm_address_t){addr}, (mach_vm_size_t*)&l, VM_REGION_BASIC_INFO_64, (vm_region_info_t)&info, &count, &objname);
 	if (kret != KERN_SUCCESS) return -1;
 
-	// Set permissions to enable writting to this memory location
+	// Set permissions to enable writing to this memory location
 	kret = mach_vm_protect(task, addr, len, FALSE, VM_PROT_WRITE|VM_PROT_COPY|VM_PROT_READ);
 	if (kret != KERN_SUCCESS) return -1;
 
diff --git a/pkg/proc/proc_test.go b/pkg/proc/proc_test.go
index eca72ab2..27b9f6d3 100644
--- a/pkg/proc/proc_test.go
+++ b/pkg/proc/proc_test.go
@@ -352,7 +352,7 @@ func TestBreakpointWithNonExistantFunction(t *testing.T) {
 	withTestProcess("testprog", t, func(p *proc.Target, fixture protest.Fixture) {
 		_, err := p.SetBreakpoint(0, 0, proc.UserBreakpoint, nil)
 		if err == nil {
-			t.Fatal("Should not be able to break at non existant function")
+			t.Fatal("Should not be able to break at non existent function")
 		}
 	})
 }
@@ -4289,7 +4289,7 @@ func TestReadDeferArgs(t *testing.T) {
 		// the autogenerated code used to unpack the argument frame stored in
 		// runtime._defer into registers.
 		// We either need to know how to do the translation, implementing the ABI1
-		// rules in Delve, or have some assistence from the compiler (for example
+		// rules in Delve, or have some assistance from the compiler (for example
 		// have the dwrap function contain entries for each of the captured
 		// variables with a location describing their offset from DX).
 		// Ultimately this feature is unimportant enough that we can leave it
diff --git a/pkg/proc/target.go b/pkg/proc/target.go
index 086c5d00..3c317d48 100644
--- a/pkg/proc/target.go
+++ b/pkg/proc/target.go
@@ -483,7 +483,7 @@ func (t *Target) RequestManualStop() error {
 
 const (
 	FakeAddressBase     = 0xbeef000000000000
-	fakeAddressUnresolv = 0xbeed000000000000 // this address never resloves to memory
+	fakeAddressUnresolv = 0xbeed000000000000 // this address never resolves to memory
 )
 
 // newCompositeMemory creates a new compositeMemory object and registers it.
diff --git a/pkg/proc/variables.go b/pkg/proc/variables.go
index 0f794da4..9e1dc2a6 100644
--- a/pkg/proc/variables.go
+++ b/pkg/proc/variables.go
@@ -76,7 +76,7 @@ const (
 	VariableReturnArgument
 	// VariableFakeAddress means the address of this variable is either fake
 	// (i.e. the variable is partially or completely stored in a CPU register
-	// and doesn't have a real address) or possibly no longer availabe (because
+	// and doesn't have a real address) or possibly no longer available (because
 	// the variable is the return value of a function call and allocated on a
 	// frame that no longer exists)
 	VariableFakeAddress
diff --git a/pkg/terminal/command_test.go b/pkg/terminal/command_test.go
index 9a37a2a8..39d8ff52 100644
--- a/pkg/terminal/command_test.go
+++ b/pkg/terminal/command_test.go
@@ -155,7 +155,7 @@ func withTestTerminalBuildFlags(name string, t testing.TB, buildFlags test.Build
 func TestCommandDefault(t *testing.T) {
 	var (
 		cmds = Commands{}
-		cmd  = cmds.Find("non-existant-command", noPrefix).cmdFn
+		cmd  = cmds.Find("non-existent-command", noPrefix).cmdFn
 	)
 
 	err := cmd(nil, callContext{}, "")
diff --git a/service/api/prettyprint.go b/service/api/prettyprint.go
index 02b3ff50..903f355c 100644
--- a/service/api/prettyprint.go
+++ b/service/api/prettyprint.go
@@ -429,7 +429,7 @@ func PrettyExamineMemory(address uintptr, memArea []byte, isLittleEndian bool, f
 		addrFmt string
 	)
 
-	// Diffrent versions of golang output differently about '#'.
+	// Different versions of golang output differently about '#'.
 	// See https://ci.appveyor.com/project/derekparker/delve-facy3/builds/30179356.
 	switch format {
 	case 'b':
diff --git a/service/api/types.go b/service/api/types.go
index a9def948..5187ebdd 100644
--- a/service/api/types.go
+++ b/service/api/types.go
@@ -277,7 +277,7 @@ const (
 
 	// VariableFakeAddress means the address of this variable is either fake
 	// (i.e. the variable is partially or completely stored in a CPU register
-	// and doesn't have a real address) or possibly no longer availabe (because
+	// and doesn't have a real address) or possibly no longer available (because
 	// the variable is the return value of a function call and allocated on a
 	// frame that no longer exists)
 	VariableFakeAddress
diff --git a/service/dap/server.go b/service/dap/server.go
index 8a06f7be..37dd9671 100644
--- a/service/dap/server.go
+++ b/service/dap/server.go
@@ -145,7 +145,7 @@ type Session struct {
 	// to ensure that messages do not get interleaved
 	sendingMu sync.Mutex
 
-	// runningCmd tracks whether the server is running an asyncronous
+	// runningCmd tracks whether the server is running an asynchronous
 	// command that resumes execution, which may not correspond to the actual
 	// running state of the process (e.g. if a command is temporarily interrupted).
 	runningCmd bool
@@ -251,9 +251,9 @@ type dapClientCapabilites struct {
 }
 
 // DefaultLoadConfig controls how variables are loaded from the target's memory.
-// These limits are conservative to minimize performace overhead for bulk loading.
+// These limits are conservative to minimize performance overhead for bulk loading.
 // With dlv-dap, users do not have a way to adjust these.
-// Instead we are focusing in interacive loading with nested reloads, array/map
+// Instead we are focusing in interactive loading with nested reloads, array/map
 // paging and context-specific string limits.
 var DefaultLoadConfig = proc.LoadConfig{
 	FollowPointers:     true,
@@ -1547,7 +1547,7 @@ func closeIfOpen(ch chan struct{}) {
 
 // onConfigurationDoneRequest handles 'configurationDone' request.
 // This is an optional request enabled by capability ‘supportsConfigurationDoneRequest’.
-// It gets triggered after all the debug requests that follow initalized event,
+// It gets triggered after all the debug requests that follow initialized event,
 // so the s.debugger is guaranteed to be set. Expects the target to be halted.
 func (s *Session) onConfigurationDoneRequest(request *dap.ConfigurationDoneRequest, allowNextStateChange chan struct{}) {
 	defer closeIfOpen(allowNextStateChange)
@@ -2203,7 +2203,7 @@ func (s *Session) childrenToDAPVariables(v *fullyQualifiedVariable) ([]dap.Varia
 			keyType := s.getTypeIfSupported(keyv)
 			valType := s.getTypeIfSupported(valv)
 			// If key or value or both are scalars, we can use
-			// a single variable to represet key:value format.
+			// a single variable to represent key:value format.
 			// Otherwise, we must return separate variables for both.
 			if keyref > 0 && valref > 0 { // Both are not scalars
 				keyvar := dap.Variable{
@@ -2585,7 +2585,7 @@ func (s *Session) convertVariableWithOpts(v *proc.Variable, qualifiedNameOrExpr
 // Support the following expressions:
 // -- {expression} - evaluates the expression and returns the result as a variable
 // -- call {function} - injects a function call and returns the result as a variable
-// -- config {expression} - updates configuration paramaters
+// -- config {expression} - updates configuration parameters
 // TODO(polina): users have complained about having to click to expand multi-level
 // variables, so consider also adding the following:
 // -- print {expression} - return the result as a string like from dlv cli