diff --git a/modules/ECMAddQch.cmake b/modules/ECMAddQch.cmake
--- a/modules/ECMAddQch.cmake
+++ b/modules/ECMAddQch.cmake
@@ -105,7 +105,7 @@
 # Needs to be used when NAMESPACE is not used.
 #
 # LINK_QCHS specifies a list of other QCH targets which should be used for
-# creating references to API documenation of code in external libraries.
+# creating references to API documentation of code in external libraries.
 # For each target <qch> in the list these target properties are expected to be
 # defined: DOXYGEN_TAGFILE, QHP_NAMESPACE and QHP_VIRTUALFOLDER.
 # If any of these is not existing, <qch> will be ignored.
diff --git a/modules/ECMSetupVersion.cmake b/modules/ECMSetupVersion.cmake
--- a/modules/ECMSetupVersion.cmake
+++ b/modules/ECMSetupVersion.cmake
@@ -75,7 +75,7 @@
 #
 # Since pre-1.0.0.
 #
-# COMPATIBLITY option available since 1.6.0.
+# COMPATIBILITY option available since 1.6.0.
 
 #=============================================================================
 # Copyright 2014 Alex Merry <alex.merry@kde.org>