diff --git a/doc/da65.sgml b/doc/da65.sgml
index 3a01ce4f5..113eb6f97 100644
--- a/doc/da65.sgml
+++ b/doc/da65.sgml
@@ -184,7 +184,7 @@ Here is a description of all the command line options:
   <label id="option--mnemonic-column">
   <tag><tt>--mnemonic-column n</tt></tag>
 
-  Specifies the column where a mnemonic or pseudo instrcuction is output.
+  Specifies the column where a mnemonic or pseudo instruction is output.
 
 
   <label id="option--pagelength">
@@ -283,7 +283,7 @@ Some instructions may generate labels in the first pass, while most other
 instructions do not generate labels, but use them if they are available. Among
 others, the branch and jump instructions will generate labels for the target
 of the branch in the first pass. External labels (taken from the info file)
-have precedence over internally generated ones, They must be valid identifiers
+have precedence over internally generated ones. They must be valid identifiers
 as specified for the ca65 assembler. Internal labels (generated by the
 disassembler) have the form <tt/Labcd/, where <tt/abcd/ is the hexadecimal
 address of the label in upper case letters. You should probably avoid using
@@ -304,7 +304,7 @@ name="next section"> for more information.
 The info file contains lists of specifications grouped together. Each group
 directive has an identifying token and an attribute list enclosed in curly
 braces. Attributes have a name followed by a value. The syntax of the value
-depends on the type of the attribute. String attributes are places in double
+depends on the type of the attribute. String attributes are placed in double
 quotes, numeric attributes may be specified as decimal numbers or hexadecimal
 with a leading dollar sign. There are also attributes where the attribute
 value is a keyword; in this case, the keyword is given as-is (without quotes or
@@ -317,8 +317,8 @@ anything). Each attribute is terminated by a semicolon.
 
 <sect1>Comments<p>
 
-Comments start with a hash mark (<tt/#/) or a double slash (<tt>//</tt>);
-and, extend from the position of the mark to the end of the current line.
+Comments start with a hash mark (<tt/#/) or a double slash (<tt>//</tt>)
+and extend from the position of the mark to the end of the current line.
 Hash marks or double slashes inside of strings will <em/not/ start a comment,
 of course.
 
@@ -359,20 +359,20 @@ following attributes are recognized:
 
 
   <tag><tt/HEXOFFS/</tag>
-  The attribute is followed by a boolean value. If true, offsets to labels are
+  This attribute is followed by a boolean value. If true, offsets to labels are
   output in hex, otherwise they're output in decimal notation. The default is
   false. The attribute may be changed on the command line using the <tt><ref
   id="option--hexoffs" name="--hexoffs"></tt> option.
 
 
   <tag><tt/INPUTNAME/</tag>
-  The attribute is followed by a string value, which gives the name of the
+  This attribute is followed by a string value, which gives the name of the
   input file to read. If it is present, the disassembler does not accept an
   input file name on the command line.
 
 
   <tag><tt/INPUTOFFS/</tag>
-  The attribute is followed by a numerical value that gives an offset into
+  This attribute is followed by a numerical value that gives an offset into
   the input file which is skipped before reading data. The attribute may be
   used to skip headers or unwanted code sections in the input file.
 
@@ -412,7 +412,7 @@ following attributes are recognized:
 
   <label id="OUTPUTNAME">
   <tag><tt/OUTPUTNAME/</tag>
-  The attribute is followed by string value, which gives the name of the
+  This attribute is followed by string value, which gives the name of the
   output file to write. If it is present, specification of an output file on
   the command line using the <tt><ref id="option-o" name="-o"></tt> option is
   not allowed.
@@ -433,8 +433,8 @@ following attributes are recognized:
   This attribute may be used instead of the <tt><ref id="option--start-addr"
   name="--start-addr"></tt> option on the command line. It takes a numerical
   parameter. The default for the start address is $10000 minus the size of
-  the input file (this assumes that the input file is a ROM that contains the
-  reset and irq vectors).
+  the input file. (This assumes that the input file is a ROM that contains the
+  reset and irq vectors.)
 
 
   <tag><tt/TEXTCOLUMN/</tag>
@@ -468,7 +468,7 @@ following attributes are recognized:
   <tag><tt>NAME</tt></tag>
   This is a convenience attribute. It takes a string argument and will cause
   the disassembler to define a label for the start of the range with the
-  given name. So a separate <tt><ref id="infofile-label" name="LABEL"></tt>
+  given name so a separate <tt><ref id="infofile-label" name="LABEL"></tt>
   directive is not needed.
 
   <tag><tt>START</tt></tag>
@@ -509,8 +509,8 @@ following attributes are recognized:
     <tag><tt>SKIP</tt></tag>
     The range is simply ignored when generating the output file. Please note
     that this means that reassembling the output file will <em/not/ generate
-    the original file, not only because the missing piece in between, but also
-    because the following code will be located on wrong addresses. Output
+    the original file, not only because of the missing piece in between, but
+    also because the following code will be located on wrong addresses. Output
     generated with <tt/SKIP/ ranges will need manual rework.
 
     <tag><tt>TEXTTABLE</tt></tag>
@@ -529,7 +529,7 @@ following attributes are recognized:
 
   <tag><tt>ADDRMODE</tt></tag>
   When disassembling 65816 code, this specifies the M and X flag states
-  for this range. It's a string argument of the form "mx", capital letters
+  for this range. It's a string argument of the form "mx". Capital letters
   mean the flag is enabled.
 
 </descrip>
@@ -561,9 +561,9 @@ code. The following attributes are recognized:
 
   <tag><tt>NAME</tt></tag>
   The attribute is followed by a string value which gives the name of the
-  label. Empty names are allowed, in this case the disassembler will create
-  an unnamed label (see the assembler docs for more information about unnamed
-  labels).
+  label. Empty names are allowed; in this case the disassembler will create
+  an unnamed label. (See the assembler docs for more information about unnamed
+  labels.)
 
   <tag><tt>SIZE</tt></tag>
   This attribute is optional and may be used to specify the size of the data
@@ -595,15 +595,18 @@ disassembled code. The following attributes are recognized:
 <descrip>
 
   <tag><tt>START</tt></tag>
-  Followed by a numerical value. Specifies the start address of the segment.
+  This attribute is followed by a numerical value which specifies the start
+  address of the segment.
 
   <tag><tt>END</tt></tag>
-  Followed by a numerical value. Specifies the end address of the segment. The
-  end address is the last address that is a part of the segment.
+  This attribute is followed by a numerical value which specifies the end
+  address of the segment. The end address is the last address that is a part of
+  the segment.
 
   <tag><tt>NAME</tt></tag>
-  The attribute is followed by a string value which gives the name of the
+  This attribute is followed by a string value which gives the name of the
   segment.
+
 </descrip>
 
 All attributes are mandatory. Segments must not overlap. The disassembler will
@@ -635,10 +638,11 @@ The following attributes are recognized:
 <descrip>
 
   <tag><tt>FILE</tt></tag>
-  Followed by a string value. Specifies the name of the file to read.
+  This attribute is followed by a string value. It specifies the name of the
+  file to read.
 
   <tag><tt>COMMENTSTART</tt></tag>
-  The optional attribute is followed by a character constant. It specifies the
+  This optional attribute is followed by a character constant. It specifies the
   character that starts a comment. The default value is a semicolon. This
   value is ignored if <tt/IGNOREUNKNOWN/ is true.