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-rw-r--r--manual/memory.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/manual/memory.texi b/manual/memory.texi
index e5ea71bc6d..c132261084 100644
--- a/manual/memory.texi
+++ b/manual/memory.texi
@@ -1142,7 +1142,7 @@ overwritten.
 The default value of this parameter is @code{0}.
 
 This parameter can also be set for the process at startup by setting the
-environment variable @env{MALLOC_MMAP_PERTURB_} to the desired value.
+environment variable @env{MALLOC_PERTURB_} to the desired value.
 
 @item M_TOP_PAD
 This parameter determines the amount of extra memory to obtain from the system