diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 4cd8695..1b9a419 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -499,8 +499,8 @@ char* XMLDocument::Identify( char* p, XMLNode** node )
     // What is this thing?
     // - Elements start with a letter or underscore, but xml is reserved.
     // - Comments: <!--
-    // - Decleration: <?
-    // - Everthing else is unknown to tinyxml.
+    // - Declaration: <?
+    // - Everything else is unknown to tinyxml.
     //
 
     static const char* xmlHeader		= { "<?" };
diff --git a/tinyxml2.h b/tinyxml2.h
index 81ef0e1..6e3fbc8 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -397,7 +397,7 @@ private:
 	are simply called with Visit().
 
 	If you return 'true' from a Visit method, recursive parsing will continue. If you return
-	false, <b>no children of this node or its sibilings</b> will be visited.
+	false, <b>no children of this node or its siblings</b> will be visited.
 
 	All flavors of Visit methods have a default implementation that returns 'true' (continue
 	visiting). You need to only override methods that are interesting to you.
@@ -690,7 +690,7 @@ public:
         return _prev;
     }
 
-    /// Get the previous (left) sibling element of this node, with an opitionally supplied name.
+    /// Get the previous (left) sibling element of this node, with an optionally supplied name.
     const XMLElement*	PreviousSiblingElement( const char* value=0 ) const ;
 
     XMLElement*	PreviousSiblingElement( const char* value=0 ) {
@@ -706,7 +706,7 @@ public:
         return _next;
     }
 
-    /// Get the next (right) sibling element of this node, with an opitionally supplied name.
+    /// Get the next (right) sibling element of this node, with an optionally supplied name.
     const XMLElement*	NextSiblingElement( const char* value=0 ) const;
 
     XMLElement*	NextSiblingElement( const char* value=0 )	{
@@ -1040,7 +1040,7 @@ public:
     }
 
     /** QueryIntAttribute interprets the attribute as an integer, and returns the value
-    	in the provided paremeter. The function will return XML_NO_ERROR on success,
+    	in the provided parameter. The function will return XML_NO_ERROR on success,
     	and XML_WRONG_ATTRIBUTE_TYPE if the conversion is not successful.
     */
     XMLError QueryIntValue( int* value ) const;
@@ -1546,7 +1546,7 @@ public:
     XMLDeclaration* NewDeclaration( const char* text=0 );
     /**
     	Create a new Unknown associated with
-    	this Document. The memory forthe object
+    	this Document. The memory for the object
     	is managed by the Document.
     */
     XMLUnknown* NewUnknown( const char* text );
diff --git a/xmltest.cpp b/xmltest.cpp
index c654348..2e056d1 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -142,7 +142,7 @@ int example_3()
 	@dontinclude ./xmltest.cpp
 	In this example, we navigate a simple XML
 	file, and read some interesting text. Note
-	that this is examlpe doesn't use error
+	that this example doesn't use error
 	checking; working code should check for null
 	pointers when walking an XML tree, or use
 	XMLHandle.