diff --git a/doc/xmllint.xml b/doc/xmllint.xml
index a133d9c48..2da3e4785 100644
--- a/doc/xmllint.xml
+++ b/doc/xmllint.xml
@@ -228,8 +228,8 @@
             <term><option>--strict-namespace</option></term>
             <listitem>
                 <para>
-                    Determine if the document is a well-formed, but has namespace
-					errors.  This enforces namespace-well-formedness.
+                    Return an error if the document is well-formed, but has namespace
+                    errors.  This enforces namespace-well-formedness.
                 </para>
             </listitem>
         </varlistentry>
@@ -1005,7 +1005,7 @@
         <varlistentry>
             <term><errorcode>4</errorcode></term>
             <listitem>
-                <para>Validation error</para>
+                <para>Document isn't well-formed or couldn't be read</para>
             </listitem>
         </varlistentry>
 
diff --git a/xmllint.c b/xmllint.c
index fa1358de7..62f9ff838 100644
--- a/xmllint.c
+++ b/xmllint.c
@@ -91,7 +91,7 @@ typedef enum {
     XMLLINT_ERR_UNCLASS = 1,	    /* Unclassified */
     XMLLINT_ERR_DTD = 2,	    /* Error in DTD */
     XMLLINT_ERR_VALID = 3,	    /* Validation error */
-    XMLLINT_ERR_RDFILE = 4,	    /* CtxtReadFile error */
+    XMLLINT_ERR_RDFILE = 4,	    /* Wellformedness or IO error */
     XMLLINT_ERR_SCHEMACOMP = 5,	    /* Schema compilation */
     XMLLINT_ERR_OUT = 6,	    /* Error writing output */
     XMLLINT_ERR_SCHEMAPAT = 7,	    /* Error in schema pattern */