diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 99e9edb69b..9cc7ad134a 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -25,7 +25,7 @@
 <para>
     In most cases inheriting the class is enough to enable its features, although
     for some classes you might need to set variables or override some of the
-    default behaviour.
+    default behavior.
 </para>
 
 <para>
@@ -252,7 +252,7 @@
         Recipes for Python extensions are simple.
         These recipes usually only need to point to the source's archive and then inherit
         the proper <filename>.bbclass</filename> file.
-        Building is split into two methods dependling on which method the module authors used.
+        Building is split into two methods depending on which method the module authors used.
         <itemizedlist>
             <listitem><para>Extensions that use an Autotools-based build system
                 require Autotools and
@@ -508,7 +508,7 @@
             <listitem><para><emphasis><filename>la:</filename></emphasis>
                 Checks <filename>.la</filename> files for any <filename>TMPDIR</filename>
                 paths.
-                Any <filename>.la</filename> file continaing these paths is incorrect since
+                Any <filename>.la</filename> file containing these paths is incorrect since
                 <filename>libtool</filename> adds the correct sysroot prefix when using the
                 files automatically itself.</para></listitem>
             <listitem><para><emphasis><filename>desktop:</filename></emphasis>