docs: Change warnlevel option to warning_level
@@ -38,7 +38,7 @@ Installation options are all relative to the prefix, except:
| localstatedir | var | Localstate data directory |
| sharedstatedir | com | Architecture-independent data directory |
| werror | false | Treat warnings as errors |
-| warnlevel {1, 2, 3} | 1 | Set the warning level. From 1 = lowest to 3 = highest |
+| warning_level {1, 2, 3} | 1 | Set the warning level. From 1 = lowest to 3 = highest |
| layout {mirror,flat} | mirror | Build directory layout. |
| default-library {shared, static, both} | shared | Default library type. |
| backend {ninja, vs,<br>vs2010, vs2015, vs2017, xcode} | | Backend to use (default: ninja). |
