Clarify RC versioning for #29.

include/ensmallen_bits/ens_version.hpp

@@ -12,9 +12,11 @@
 // The minor version is two digits so regular numerical comparisons of versions
 // work right.
 #define ENS_VERSION_MINOR 00
-// Release candidates may have patch versions "RC<X>", i.e., RC0, RC1, and so
-// forth.
 #define ENS_VERSION_PATCH 0
+// If this is a release candidate, it will be reflected in the version name
+// (i.e. the version name will be "RC1", "RC2", etc.).  Otherwise the version
+// name will typically be a seemingly arbitrary set of words that does not
+// contain the capitalized string "RC".
 #define ENS_VERSION_NAME  "development"
 
 namespace ens {