Fix typos
diff --git a/expat/README b/expat/README
index 9ec8d0c..d61e75a 100644
--- a/expat/README
+++ b/expat/README
@@ -114,7 +114,7 @@
 "/usr/ccs/bin", which is not in the default PATH.  You will need to
 add this to your path for the "make" command, and probably also switch
 to GNU make (the "make" found in /usr/ccs/bin does not seem to work
-properly -- appearantly it does not understand .PHONY directives).  If
+properly -- apparently it does not understand .PHONY directives).  If
 you're using ksh or bash, use this command to build:
 
         PATH=/usr/ccs/bin:$PATH make
diff --git a/expat/lib/expat.h b/expat/lib/expat.h
index 5abcefd..9ac27cb 100644
--- a/expat/lib/expat.h
+++ b/expat/lib/expat.h
@@ -342,7 +342,7 @@
                          XML_EntityDeclHandler handler);
 
 /* OBSOLETE -- OBSOLETE -- OBSOLETE
-   This handler has been superceded by the EntityDeclHandler above.
+   This handler has been superseded by the EntityDeclHandler above.
    It is provided here for backward compatibility.
 
    This is called for a declaration of an unparsed (NDATA) entity.