users-guide/debug-info: typo “behivior”

docs/users_guide/debug-info.rst

@@ -132,7 +132,7 @@ this point in the program,
     The reason ``gdb`` doesn't show this symbol name in the backtrace output is an
     infidelity in its interpretation of debug information, which assumes an
     invariant preserved in C but not Haskell programs. Unfortunately it is
-    necessary to work around this manually until this behivior is fixed
+    necessary to work around this manually until this behavior is fixed
     upstream.
 
 .. note::