diff --git a/src/lib/ethumb/Ethumb.h b/src/lib/ethumb/Ethumb.h
index 4f91433588..6a1bd4087f 100644
--- a/src/lib/ethumb/Ethumb.h
+++ b/src/lib/ethumb/Ethumb.h
@@ -36,13 +36,16 @@ extern "C" {
 
 #define ETHUMB_VERSION_MAJOR EFL_VERSION_MAJOR
 #define ETHUMB_VERSION_MINOR EFL_VERSION_MINOR
-   
+   /**
+    * @typedef Ethumb_Version
+    * Represents the current version of Ethumb
+    */
    typedef struct _Ethumb_Version
      {
-        int major;
-        int minor;
-        int micro;
-        int revision;
+        int major; /** < major (binary or source incompatible changes) */
+        int minor; /** < minor (new features, bugfixes, major improvements version) */
+        int micro; /** < micro (bugfix, internal improvements, no new features version) */
+        int revision; /** < git revision (0 if a proper release or the git revision number Ethumb is built from) */
      } Ethumb_Version;
 
    EAPI extern Ethumb_Version *ethumb_version;