diff --git a/CHANGES.md b/CHANGES.md
index b9aa98a51d..540f3d0340 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -686,7 +686,7 @@ The following data models were either modified, added, removed, or renamed by ha
 - #3215 chifra tokens with --verbose produces empty dates
 - #3214 chifra cmd - thoughts from making a tutorial in Berlin
 - #3213 chifra export --trace --count doesn't work
-- #3212 chifra cmd -- any use of `--chain` with a value not found in the array shoudl fail more gracefully
+- #3212 chifra cmd -- any use of `--chain` with a value not found in the array should fail more gracefully
 - #3211 Omission of popular contracts with long vanity addresses
 - #3210 chifra chunks manifest --pin requires ipfs even if the help text says otherwise
 - #3207 chifra blocks no reporting...
@@ -1614,7 +1614,7 @@ There were no changes to the [Specification for the Unchained Index](https://tru
   - Changed `abi_source` to `abiSource`.
   - Changed `input_dicts` to `inputDicts`.
   - Changed `output_dicts` to `outputDicts`.
-  - Removed `input_names` and `output_names`. (These may be added back in in the future.)
+  - Removed `input_names` and `output_names`. (These may be added back in the future.)
 - `Reconciliation` data model:
   - Changed `prevBlock` to `prevAppBlk`.
   - Changed `prevBlkBal` to `prevBal`.
diff --git a/src/apps/chifra/internal/names/validate.go b/src/apps/chifra/internal/names/validate.go
index 73bf5d63f8..e5eb26d004 100644
--- a/src/apps/chifra/internal/names/validate.go
+++ b/src/apps/chifra/internal/names/validate.go
@@ -26,7 +26,7 @@ func (opts *NamesOptions) validateNames() error {
 
 	isDryRunnable := opts.Clean || len(opts.Autoname) > 0
 	if opts.DryRun && !isDryRunnable {
-		return validate.Usage("The {0} option is is only available with the {1} options.", "--dry_run", "--clean or --autoname")
+		return validate.Usage("The {0} option is only available with the {1} options.", "--dry_run", "--clean or --autoname")
 	}
 
 	if opts.Tags {
diff --git a/src/apps/chifra/pkg/base/fileRange.go b/src/apps/chifra/pkg/base/fileRange.go
index 5bc4cb6221..54fef75998 100644
--- a/src/apps/chifra/pkg/base/fileRange.go
+++ b/src/apps/chifra/pkg/base/fileRange.go
@@ -70,7 +70,7 @@ func (r FileRange) String() string {
 	return fmt.Sprintf("%09d-%09d", r.First, r.Last)
 }
 
-// RangeToFilename returns a fileName and and existance bool given a file range and a type
+// RangeToFilename returns a fileName and existence bool given a file range and a type
 func (r *FileRange) RangeToFilename(chain string) (bool, string) {
 	fileName := config.PathToIndex(chain) + "finalized/" + r.String() + ".bin"
 	return file.FileExists(fileName), fileName
diff --git a/src/dev_tools/utillib/sftime.cpp b/src/dev_tools/utillib/sftime.cpp
index 64f96dec33..40ee9c869d 100644
--- a/src/dev_tools/utillib/sftime.cpp
+++ b/src/dev_tools/utillib/sftime.cpp
@@ -701,7 +701,7 @@ TYPE lfloor(TYPE a, TYPE b) {
 time_q::CDate& time_q::CDate::setValues(uint32_t y, uint32_t m, uint32_t d) {
     m_nDays = (uint64_t)LONG_MIN;
     if (m >= JANUARY && m <= DECEMBER && d <= DaysInMonth(y, m)) {
-        // The following algorithm has been taken from from an article in
+        // The following algorithm has been taken from an article in
         // the March 1993 issue of the Windows / Dos Developers Journal.
         m_nDays = (y - 1) * 365 + (uint64_t)lfloor((int32_t)(y - 1), 4);