diff -r b1eac0878ce7 -r 18892c0a9adc ucx/ucx/ucx.h
--- a/ucx/ucx/ucx.h	Sat Dec 05 10:34:10 2020 +0100
+++ b/ucx/ucx/ucx.h	Sat Dec 05 11:54:58 2020 +0100
@@ -40,7 +40,7 @@
 #define UCX_VERSION_MAJOR   2
 
 /** Minor UCX version as integer constant. */
-#define UCX_VERSION_MINOR   0
+#define UCX_VERSION_MINOR   1
 
 /** Version constant which ensures to increase monotonically. */
 #define UCX_VERSION (((UCX_VERSION_MAJOR)<<16)|UCX_VERSION_MINOR)
@@ -170,10 +170,7 @@
 
 /**
  * Performs a multiplication of size_t values and checks for overflow.
- * 
- * This is a custom implementation in case there is no compiler builtin
- * available.
- * 
+  *
  * @param a first operand
  * @param b second operand
  * @param result a pointer to a size_t, where the result should
@@ -183,6 +180,18 @@
  */
 #define ucx_szmul(a, b, result) ucx_szmul_impl(a, b, result)
 
+/**
+ * Performs a multiplication of size_t values and checks for overflow.
+ *
+ * This is a custom implementation in case there is no compiler builtin
+ * available.
+ *
+ * @param a first operand
+ * @param b second operand
+ * @param result a pointer to a size_t where the result should be stored
+ * @return zero, if no overflow occurred and the result is correct, non-zero
+ * otherwise
+ */
 int ucx_szmul_impl(size_t a, size_t b, size_t *result);
 
 #endif