Apply suggestion from @smoors

Co-authored-by: Sam Moors <[email protected]>

Author: branfosj

docs/easybuild-v5/enhancements.md

@@ -199,7 +199,7 @@ A configuration option `--keep-debug-symbols` was added to set the default value
 Enabling this will add `-g` to flags such as `$CXXFLAGS`.
 
 !!! Warning
-    For some software enabling debug symbols will result in significant increase in disk space.
+    For some software enabling debug symbols will result in significant increase in disk space usage.
 
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