1 files changed, 2 insertions, 2 deletions
diff --git a/param.ccl b/param.ccl
index 9c9d2c0..6b8038c 100644
--- a/param.ccl
+++ b/param.ccl
@@ -58,9 +58,9 @@ KEYWORD out_style "Which style for 1D ASCII output"
   "xgraph"  :: "output readable by xgraph"
 } "xgraph"
 
-STRING out_format "Which format for ASCII output" STEERABLE = ALWAYS
+STRING out_format "Which format for ASCII floating-point number output" STEERABLE = ALWAYS
 {
-  "^(\.[0-9]{1,2})?[ef]$" :: "output with given precision in exponential / floating point notation"
+  "^(\.[0-9]{1,2})?[EGefg]$" :: "output with given precision in exponential / floating point notation"
 } ".13f"
 
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