diff --git a/ANNOUNCE b/ANNOUNCE
index d6434c739..ba5cdc69c 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1086,8 +1086,8 @@ Version 1.7.0beta72 [December 7, 2015]
     row bytes.
 
 Version 1.7.0beta73 [December 9, 2015]
-  Fixed a syntax error in tests/pngstest that some shells other than
-    bash could not parse (Bug report by Nelson Beebe).
+  Fixed syntax "$(command)" in tests/pngstest that some shells other than
+    bash could not parse (Bug report by Nelson Beebe). Use `command` instead.
      
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diff --git a/CHANGES b/CHANGES
index ddc31f18f..b77428246 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5385,8 +5385,8 @@ Version 1.7.0beta72 [December 7, 2015]
     row bytes.
 
 Version 1.7.0beta73 [December 9, 2015]
-  Fixed a syntax error in tests/pngstest that some shells other than
-    bash could not parse (Bug report by Nelson Beebe).
+  Fixed syntax "$(command)" in tests/pngstest that some shells other than
+    bash could not parse (Bug report by Nelson Beebe). Use `command` instead.
 
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