diff --git a/doc/nasmdoc.src b/doc/nasmdoc.src
index 06165617..25ced073 100644
--- a/doc/nasmdoc.src
+++ b/doc/nasmdoc.src
@@ -3945,7 +3945,7 @@ the \c{info} section type are not supported.
 
 
 \H{elffmt} \i\c{elf}: \i{Linux ELF}\I{Executable and Linkable
-Format}Object Files
+Format} Object Files
 
 The \c{elf} output format generates \c{ELF32} (Executable and Linkable
 Format) object files, as used by Linux. \c{elf} provides a default