diff --git a/README-maintainer.md b/README-maintainer.md
index 86043e5..48af25f 100644
--- a/README-maintainer.md
+++ b/README-maintainer.md
@@ -977,4 +977,4 @@ that clang-format produces several results. (In git this is commit
 The commits that have the bulk of automatic or mechanical reformatting are
 listed in .git-blame-ignore-revs. Any new bulk updates should be added there.
 
-[//]: # (cSpell:ignore pikepdfs readthedocsorg .)
+[//]: # (cSpell:ignore pikepdfs readthedocsorg dgenerate .)
diff --git a/cSpell.json b/cSpell.json
index 96877d5..a43908f 100644
--- a/cSpell.json
+++ b/cSpell.json
@@ -174,6 +174,7 @@
     "filenow",
     "filep",
     "filetrailer",
+    "fips",
     "firstname",
     "firstterm",
     "flarp",
@@ -568,6 +569,7 @@
     "refpage",
     "refpos",
     "reimplement",
+    "remappings",
     "resampler",
     "resave",
     "resourcefinder",
@@ -597,6 +599,7 @@
     "setargv",
     "setjmp",
     "sharedresources",
+    "sigstore",
     "singlehtml",
     "smatch",
     "softlink",
diff --git a/libqpdf/QPDF_encryption.cc b/libqpdf/QPDF_encryption.cc
index 7e1e95c..58fd1a1 100644
--- a/libqpdf/QPDF_encryption.cc
+++ b/libqpdf/QPDF_encryption.cc
@@ -658,6 +658,7 @@ std::string
 Encryption::compute_Perms_value_V5_clear() const
 {
     // From algorithm 3.10 from the PDF 1.7 extension level 3
+    // cSpell:ignore Tadb
     std::string k = "    \xff\xff\xff\xffTadb    ";
     int perms = getP();
     for (size_t i = 0; i < 4; ++i) {
diff --git a/libqpdf/qpdf/QPDF_private.hh b/libqpdf/qpdf/QPDF_private.hh
index 58ac61e..b902a4b 100644
--- a/libqpdf/qpdf/QPDF_private.hh
+++ b/libqpdf/qpdf/QPDF_private.hh
@@ -566,7 +566,7 @@ class QPDF::Doc::Encryption
     std::string recover_encryption_key_with_password(std::string const& password) const;
     bool
     check_owner_password_V4(std::string& user_password, std::string const& owner_password) const;
-    bool check_owner_password_V5(std::string const& owner_passworda) const;
+    bool check_owner_password_V5(std::string const& owner_password) const;
     std::string compute_Perms_value_V5_clear() const;
     std::string
     compute_O_rc4_key(std::string const& user_password, std::string const& owner_password) const;
diff --git a/libtests/qutil.cc b/libtests/qutil.cc
index bb3eac2..e0b5957 100644
--- a/libtests/qutil.cc
+++ b/libtests/qutil.cc
@@ -371,6 +371,7 @@ check_analyze(std::string const& str, bool has8bit, bool utf8, bool utf16)
 void
 explicit_utf8_test()
 {
+    // cSpell:ignore xbfnot xbenot
     assert(QUtil::is_explicit_utf8("\xef\xbb\xbfnot empty"));
     assert(QUtil::is_explicit_utf8("\xef\xbb\xbf"));
     assert(!QUtil::is_explicit_utf8("\xef\xbb\xbenot explicit"));
diff --git a/manual/design.rst b/manual/design.rst
index 4a447a3..0b4684f 100644
--- a/manual/design.rst
+++ b/manual/design.rst
@@ -56,7 +56,7 @@ unacceptable resource usage, is counter-productive rather than useful.
 
 To accommodate the needs of those who use qpdf as a tool for inspecting and
 investigating PDF files, qpdf version 12.3 introduced a special
-``ìnspection mode`` which is enabled using the
+``inspection mode`` which is enabled using the
 ``qpdf::global::options::inspection_mode`` function. In inspection mode, only a
 very limited set of basic operations is supported and a number of automatic
 repairs are disabled. Transformations of the input files such as linearizing files,
diff --git a/manual/release-notes.rst b/manual/release-notes.rst
index 6d043c9..060c161 100644
--- a/manual/release-notes.rst
+++ b/manual/release-notes.rst
@@ -143,7 +143,7 @@ more detail.
 
     - Setting :qpdf:ref:`--compress-streams` to ``n`` or
       ``QPDFWriter::setCompressStreams(false)`` no longer automatically
-      causes the outputfile to be decrypted. Set :qpdf:ref:`--decrypt` if this
+      causes the output file to be decrypted. Set :qpdf:ref:`--decrypt` if this
       is the intended behaviour.
 
     - There has been some refactoring of stream filtering. These are optimized