diff --git a/include/qpdf/Constants.h b/include/qpdf/Constants.h
index 083c9fd..8c0d08c 100644
--- a/include/qpdf/Constants.h
+++ b/include/qpdf/Constants.h
@@ -256,7 +256,7 @@ enum qpdf_result_e {
     /* success */
     qpdf_r_ok = 0,
     qpdf_r_no_warn = 0xff,   /// any result <= qpdf_no_warn indicates success without warning
-    qpdf_r_success = 0xffff, /// any result <= qpdf_no_warn indicates success
+    qpdf_r_success = 0xffff, /// any result <= qpdf_r_success indicates success
     /* failure */
     qpdf_r_bad_parameter = 0x10000,
 
@@ -270,7 +270,7 @@ enum qpdf_result_e {
  *          functions.
  *
  *          The enum values are grouped into sections based on their functionality, such as global
- *          options or global limits.For the meaning of individual parameters see `qpdf/global.cc`
+ *          options or global limits. For the meaning of individual parameters see `qpdf/global.cc`
  */
 enum qpdf_param_e {
     /* global state */
diff --git a/include/qpdf/QUtil.hh b/include/qpdf/QUtil.hh
index 68b5cf1..dd5acae 100644
--- a/include/qpdf/QUtil.hh
+++ b/include/qpdf/QUtil.hh
@@ -447,7 +447,7 @@ namespace QUtil
     ///
     ///         **For qpdf internal use only - not part of the public API**
     /// @par
-    ///         Depending on the result code, either continues execution, checks  or throws an
+    ///         Depending on the result code, either continues execution or throws an
     ///         exception in case of an invalid parameter.
     ///
     /// @param  result The result code of type qpdf_result_e, indicating success or failure status.
diff --git a/include/qpdf/global.hh b/include/qpdf/global.hh
index f18abfd..0f71843 100644
--- a/include/qpdf/global.hh
+++ b/include/qpdf/global.hh
@@ -56,7 +56,7 @@ namespace qpdf::global
 
     /// @brief Retrieves the number of limit errors.
     ///
-    /// Returns the number a global limit was exceeded. This item is reaf only.
+    /// Returns the number a global limit was exceeded. This item is read only.
     ///
     /// @return The number of limit errors.
     ///
diff --git a/manual/release-notes.rst b/manual/release-notes.rst
index 35b4140..8e2c3c4 100644
--- a/manual/release-notes.rst
+++ b/manual/release-notes.rst
@@ -62,7 +62,7 @@ more detail.
 
     - Add various new functions in the ``qpdf::`global`` namespace to access
       and set/modify global settings and limits. See :ref:`global-options`
-      and header file ``qpdf\global.hh`` for further detail.
+      and header file ``qpdf/global.hh`` for further detail.
 
     - Add new C-API functions ``qpdf_global_get_uint32`` and
       ``qpdf_global_set_uint32`` to access and set/modify various global