diff --git a/src/api/pagerenderer.cpp b/src/api/pagerenderer.cpp
index 7d67261050..cd2d0a5ed9 100644
--- a/src/api/pagerenderer.cpp
+++ b/src/api/pagerenderer.cpp
@@ -493,7 +493,7 @@ Pta *FitBaselineIntoLinePolygon(Pta *bottom_pts, Pta *baseline_pts,
   }
 
   num_pts = ptaGetCount(bottom_pts);
-  // Create a interpolated polygon with stepsize 1
+  // Create an interpolated polygon with stepsize 1.
   for (int index = 0; index < num_pts - 1; ++index) {
     ptaGetIPt(bottom_pts, index, &x0, &y0);
     ptaGetIPt(bottom_pts, index + 1, &x1, &y1);
@@ -636,7 +636,7 @@ bool TessPAGERenderer::AddImageHandler(TessBaseAPI *api) {
         "pagecontent.xsd\">\n"
         "\t<Metadata");
 
-    // If a URL is used to recognize a image add it as <Metadata
+    // If a URL is used to recognize an image add it as <Metadata
     // externalRef="url">
     if (std::regex_search(api->GetInputName(),
                           std::regex("^(https?|ftp|ssh):"))) {
diff --git a/src/ccstruct/blobbox.cpp b/src/ccstruct/blobbox.cpp
index 6201a31ce4..7356fdb4fd 100644
--- a/src/ccstruct/blobbox.cpp
+++ b/src/ccstruct/blobbox.cpp
@@ -883,7 +883,7 @@ void vertical_cblob_projection( // project outlines
 /**********************************************************************
  * vertical_coutline_projection
  *
- * Compute the vertical projection of a outline from its outlines
+ * Compute the vertical projection of an outline from its outlines
  * and add to the given STATS.
  **********************************************************************/
 
diff --git a/src/classify/adaptmatch.cpp b/src/classify/adaptmatch.cpp
index 5c02c6f363..273259f918 100644
--- a/src/classify/adaptmatch.cpp
+++ b/src/classify/adaptmatch.cpp
@@ -644,12 +644,12 @@ void Classify::StartBackupAdaptiveClassifier() {
  * - #EnableLearning
  * set to true by this routine
  */
-void Classify::SettupPass1() {
+void Classify::SetupPass1() {
   EnableLearning = classify_enable_learning;
 
-  getDict().SettupStopperPass1();
+  getDict().SetupStopperPass1();
 
-} /* SettupPass1 */
+} /* SetupPass1 */
 
 /*---------------------------------------------------------------------------*/
 /**
@@ -660,11 +660,11 @@ void Classify::SettupPass1() {
  * Globals:
  * - #EnableLearning set to false by this routine
  */
-void Classify::SettupPass2() {
+void Classify::SetupPass2() {
   EnableLearning = false;
-  getDict().SettupStopperPass2();
+  getDict().SetupStopperPass2();
 
-} /* SettupPass2 */
+} /* SetupPass2 */
 
 /*---------------------------------------------------------------------------*/
 /**
diff --git a/src/classify/classify.h b/src/classify/classify.h
index 2225e5feab..e42d5674e3 100644
--- a/src/classify/classify.h
+++ b/src/classify/classify.h
@@ -243,8 +243,8 @@ class TESS_API Classify : public CCStruct {
   void DisplayAdaptedChar(TBLOB *blob, INT_CLASS_STRUCT *int_class);
   bool AdaptableWord(WERD_RES *word);
   void EndAdaptiveClassifier();
-  void SettupPass1();
-  void SettupPass2();
+  void SetupPass1();
+  void SetupPass2();
   void AdaptiveClassifier(TBLOB *Blob, BLOB_CHOICE_LIST *Choices);
   void ClassifyAsNoise(ADAPT_RESULTS *Results);
   void ResetAdaptiveClassifierInternal();
diff --git a/src/dict/dict.h b/src/dict/dict.h
index 136308153c..3290dd0bb0 100644
--- a/src/dict/dict.h
+++ b/src/dict/dict.h
@@ -267,9 +267,9 @@ class TESS_API Dict {
   /// Prints the current choices for this word to stdout.
   void DebugWordChoices();
   /// Sets up stopper variables in preparation for the first pass.
-  void SettupStopperPass1();
+  void SetupStopperPass1();
   /// Sets up stopper variables in preparation for the second pass.
-  void SettupStopperPass2();
+  void SetupStopperPass2();
   /* context.cpp *************************************************************/
   /// Check a string to see if it matches a set of lexical rules.
   int case_ok(const WERD_CHOICE &word) const;
diff --git a/src/dict/stopper.cpp b/src/dict/stopper.cpp
index 4c33fa89ce..a1885daf37 100644
--- a/src/dict/stopper.cpp
+++ b/src/dict/stopper.cpp
@@ -359,11 +359,11 @@ void Dict::EndDangerousAmbigs() {}
 
 #endif // !defined(DISABLED_LEGACY_ENGINE)
 
-void Dict::SettupStopperPass1() {
+void Dict::SetupStopperPass1() {
   reject_offset_ = 0.0;
 }
 
-void Dict::SettupStopperPass2() {
+void Dict::SetupStopperPass2() {
   reject_offset_ = stopper_phase2_certainty_rejection_offset;
 }
 
diff --git a/src/textord/blkocc.cpp b/src/textord/blkocc.cpp
index 69e18f6a74..60283e744f 100644
--- a/src/textord/blkocc.cpp
+++ b/src/textord/blkocc.cpp
@@ -125,7 +125,7 @@ static void horizontal_cblob_projection( // project outlines
 /**
  * horizontal_coutline_projection
  *
- * Compute the horizontal projection of a outline from its outlines
+ * Compute the horizontal projection of an outline from its outlines
  * and add to the given STATS.
  */
 
diff --git a/src/wordrec/language_model.h b/src/wordrec/language_model.h
index 010cf5b4f4..98f90f748a 100644
--- a/src/wordrec/language_model.h
+++ b/src/wordrec/language_model.h
@@ -227,7 +227,7 @@ class LanguageModel {
   // (used by ComputeNgramCost()).
   float ComputeDenom(BLOB_CHOICE_LIST *curr_list);
 
-  // Fills the given consistenty_info based on parent_vse.consistency_info
+  // Fills the given consistency_info based on parent_vse.consistency_info
   // and on the consistency of the given unichar_id with parent_vse.
   void FillConsistencyInfo(int curr_col, bool word_end, BLOB_CHOICE *b,
                            ViterbiStateEntry *parent_vse, WERD_RES *word_res,
diff --git a/src/wordrec/tface.cpp b/src/wordrec/tface.cpp
index 06b9e9275a..107085d83c 100644
--- a/src/wordrec/tface.cpp
+++ b/src/wordrec/tface.cpp
@@ -97,7 +97,7 @@ int Wordrec::dict_word(const WERD_CHOICE &word) {
 void Wordrec::set_pass1() {
   chop_ok_split.set_value(70.0);
   language_model_->getParamsModel().SetPass(ParamsModel::PTRAIN_PASS1);
-  SettupPass1();
+  SetupPass1();
 }
 
 /**
@@ -108,7 +108,7 @@ void Wordrec::set_pass1() {
 void Wordrec::set_pass2() {
   chop_ok_split.set_value(pass2_ok_split);
   language_model_->getParamsModel().SetPass(ParamsModel::PTRAIN_PASS2);
-  SettupPass2();
+  SetupPass2();
 }
 
 /**