diff --git a/manual/luatex-backend.tex b/manual/luatex-backend.tex
index afbaa84d0..e53a81367 100644
--- a/manual/luatex-backend.tex
+++ b/manual/luatex-backend.tex
@@ -619,12 +619,11 @@ pdfe.getstatus(<pdfe document>)

  The returned codes are:

-
  \starttabulate[|c|l|]
  \DB value       \BC explanation \NC \NR
  \TB
  \NC \type {-2}  \NC the document is (still) protected \NC \NR
-\NC \type {-1}  \NC the document failed to open \NC \NR
+\NC \type {-1}  \NC the document failed to open \NC \NR
  \NC \type {0}   \NC the document is not encrypted \NC \NR
  \NC \type {1}   \NC the document has been unencrypted \NC \NR
  \LL
@@ -943,7 +942,7 @@ pdfscanner.scan (<pdfe array>, <table>
operatortable, <table> info)
  pdfscanner.scan (<string>, <table> operatortable, <table> info)
  \stopfunctioncall

-The first argument should be a \LUA\ string or a stream or array onject
coming
+The first argument should be a \LUA\ string or a stream or array object
coming
  from the \type {pdfe} library. The second argument, \type
{operatortable}, should
  be a \LUA\ table where the keys are \PDF\ operator name strings and
the values
  are \LUA\ functions (defined by you) that are used to process those
operators.
diff --git a/manual/luatex-fontloader.tex b/manual/luatex-fontloader.tex
index 0a830ed00..1e12b61f1 100644
--- a/manual/luatex-fontloader.tex
+++ b/manual/luatex-fontloader.tex
@@ -225,7 +225,7 @@ by fontloader while applying the AFM file. On
success, \type {nil} is returned.
  As mentioned earlier, the return value of \type {fontloader.open} is a
userdata
  object. One way to have access to the actual metrics is to call \type
  {fontloader.to_table} on this object, returning the table structure
that is
-explained in the following sections. In teh following sections we will not
+explained in the following sections. In the following sections we will not
  explain each field in detail. Most fields are self descriptive and for
the more
  technical aspects you need to consult the relevant font references.

@@ -911,7 +911,7 @@ space|-|separated string of glyph names in this class.

  \startsubsection[title={\type {math}}]

-The math table has the variables that are also discussed in the chapter
aboout
+The math table has the variables that are also discussed in the chapter
about
  math: \type {ScriptPercentScaleDown}, \type
{ScriptScriptPercentScaleDown}, \type
  {DelimitedSubFormulaMinHeight}, \type {DisplayOperatorMinHeight}, \type
  {MathLeading}, \type {AxisHeight}, \type {AccentBaseHeight}, \type
@@ -971,7 +971,6 @@ The \type {scripts} subtable:
  \LL
  \stoptabulate

-
  The \type {lang} subtable:

  \starttabulate[|l|l|p|]
diff --git a/source/texk/web2c/luatexdir/font/writettf.c
b/source/texk/web2c/luatexdir/font/writettf.c
index cf034e98d..6270cbf04 100644
--- a/source/texk/web2c/luatexdir/font/writettf.c
+++ b/source/texk/web2c/luatexdir/font/writettf.c
@@ -1518,7 +1518,7 @@ static void do_writeotf(PDF pdf, fd_entry * fd)
      if (tracefilenames)
          tex_printf("<<%s", cur_file_name);
      ttf_read_tabdir();
-    /*tex Read teh font parameters. */
+    /*tex Read the font parameters. */
      if (ttf_name_lookup("head", false) != NULL)
          ttf_read_head();
      if (ttf_name_lookup("hhea", false) != NULL)
@@ -1570,4 +1570,3 @@ void writeotf(PDF pdf, fd_entry * fd)
      xfree(ttf_buffer);
      cur_file_name = NULL;
  }
-