Fix doc typos

3 files changed, 11 insertions, 11 deletions

diff --git a/examples/pdf-invert-images.cc b/examples/pdf-invert-images.cc
index 0ef2169e..4ec83b84 100644
--- a/examples/pdf-invert-images.cc
+++ b/examples/pdf-invert-images.cc
@@ -120,9 +120,9 @@ main(int argc, char* argv[])
                 QPDFObjectHandle color_space = image_dict.getKey("/ColorSpace");
                 QPDFObjectHandle bits_per_component = image_dict.getKey("/BitsPerComponent");
 
-                // For our example, we can only work with images 8-bit grayscale images that we can
-                // fully decode.  Use pipeStreamData with a null pipeline to determine whether the
-                // image is filterable.  Directly inspect keys to determine the image type.
+                // For our example, we can only work with 8-bit grayscale images that we can fully
+                // decode.  Use pipeStreamData with a null pipeline to determine whether the image
+                // is filterable.  Directly inspect keys to determine the image type.
                 if (image.pipeStreamData(nullptr, qpdf_ef_compress, qpdf_dl_all) &&
                     color_space.isNameAndEquals("/DeviceGray") && bits_per_component.isInteger() &&
                     (bits_per_component.getIntValue() == 8)) {
diff --git a/examples/pdf-name-number-tree.cc b/examples/pdf-name-number-tree.cc
index 31eaf932..7701e70e 100644
--- a/examples/pdf-name-number-tree.cc
+++ b/examples/pdf-name-number-tree.cc
@@ -41,7 +41,7 @@ main(int argc, char* argv[])
     // (root), and write an empty PDF to a file. The PDF will have no pages and won't be viewable,
     // but you can look at it in a text editor to see the resulting structure of the PDF.
 
-    // Create a dictionary off the root where we will hang our name and number tree.
+    // Create a dictionary off the root where we will hang our name and number trees.
     auto root = qpdf.getRoot();
     auto example = QPDFObjectHandle::newDictionary();
     root.replaceKey("/Example", example);
diff --git a/examples/pdf-set-form-values.cc b/examples/pdf-set-form-values.cc
index a1a19db1..810b9fa3 100644
--- a/examples/pdf-set-form-values.cc
+++ b/examples/pdf-set-form-values.cc
@@ -38,7 +38,7 @@ main(int argc, char* argv[])
         qpdf.processFile(infilename);
 
         // We will iterate through form fields by starting at the page level and looking at each
-        // field for each page. We could also called QPDFAcroFormDocumentHelper::getFormFields to
+        // field for each page. We could also call QPDFAcroFormDocumentHelper::getFormFields to
         // iterate at the field level, but doing it as below illustrates how we can map from
         // annotations to fields.
 
@@ -51,12 +51,12 @@ main(int argc, char* argv[])
                 // value.
                 QPDFFormFieldObjectHelper ffh = afdh.getFieldForAnnotation(annot);
                 if (ffh.getFieldType() == "/Tx") {
-                    // Set the value. Passing false as the second value prevents qpdf from setting
-                    // /NeedAppearances to true (but will not turn it off if it's already on), so we
-                    // call generateAppearance after setting the value. You may or may not want to
-                    // do this depending on whether the appearance streams generated by qpdf are
-                    // good enough for your purposes. For additional details, please see comments in
-                    // QPDFFormFieldObjectHelper.hh for this method.
+                    // Set the value. Passing false as the second parameter prevents qpdf from
+                    // setting /NeedAppearances to true (but will not turn it off if it's already
+                    // on), so we call generateAppearance after setting the value. You may or may
+                    // not want to do this depending on whether the appearance streams generated by
+                    // qpdf are good enough for your purposes. For additional details, please see
+                    // comments in QPDFFormFieldObjectHelper.hh for this method.
                     ffh.setV(value, false);
                     ffh.generateAppearance(annot);
                 }