diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 802929ecb..7cb78f26f 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -57,7 +57,7 @@ If the output is not quite correct, check for invisible trailing spaces!
 This is a major release that requires source changes in applications.
 
 Lower-level functionality has been split off to new components, often
-  with many bug-fixes, performance enhancements and improved API:
+  with bug-fixes, performance enhancements and improved API:
   Commons RNG,
   Commons Numbers,
   Commons Geometry,
@@ -75,8 +75,7 @@ The minimum version of the Java platform required to compile and use
 Users are encouraged to upgrade to this version, and to the new
  components listed above (they are now Commons Math's dependencies).
  Note that the new artefacts can be used together with v3.6.1 as the
- Java packages are different; ugrading can thus be performed
- incrementally.
+ Java packages are different.
 For codes that are now located in the 'commons-math-legacy' module,
  upgrading will be a matter of changing the top-level package name:
  From 'org.apache.commons.math3' to 'org.apache.commons.math4.legacy'.
@@ -85,6 +84,10 @@ For codes that are now located in the 'commons-math-legacy' module,
  and package 'org.apache.commons.math3.util' (e.g. 'MathArrays') over
  to package 'org.apache.commons.math4.legacy.core'.
 
+Notes:
+ Class 'FastMath' has been renamed 'AccurateMath' (now located in
+ package 'org.apache.commons.math4.legacy.core.jdkmath').
+
 Caveat:
  Although hundreds of issues have been fixed (see 'git log' and the
  reports in the bug-tracking system of all the listed components),