diff --git a/syntax/asm.nanorc b/syntax/asm.nanorc
index 2fa39279..6eef092b 100644
--- a/syntax/asm.nanorc
+++ b/syntax/asm.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for assembler.
 
+## Original author:  Mike Frysinger
+
 syntax asm "\.(S|s|asm)$"
 magic "assembler source"
 comment "//"
diff --git a/syntax/awk.nanorc b/syntax/awk.nanorc
index 02b6230e..e5d1af05 100644
--- a/syntax/awk.nanorc
+++ b/syntax/awk.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for AWK scripts.
 
+## Original author:  Donnie Berkholz
+
 syntax awk "\.awk$"
 header "^#!.*awk"
 magic "awk script"
diff --git a/syntax/cmake.nanorc b/syntax/cmake.nanorc
index 3bb1f0be..3bb5ab81 100644
--- a/syntax/cmake.nanorc
+++ b/syntax/cmake.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for CMake files.
 
+## Original author:  Felipe Bugno
+
 syntax cmake "(CMakeLists\.txt|\.cmake)$"
 comment "#"
 
diff --git a/syntax/css.nanorc b/syntax/css.nanorc
index 5a0946db..ec8f185c 100644
--- a/syntax/css.nanorc
+++ b/syntax/css.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for CSS files.
 
+## Original author:  Simon Rupf
+
 syntax css "\.css$"
 comment "/*|*/"
 
diff --git a/syntax/elisp.nanorc b/syntax/elisp.nanorc
index 7cb06896..3f7296fb 100644
--- a/syntax/elisp.nanorc
+++ b/syntax/elisp.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for Emacs Lisp.
 
+## Original author:  Mark Oteiza
+
 syntax elisp "\.el$"
 magic "Lisp/Scheme program"
 comment ";"
diff --git a/syntax/extra/fortran.nanorc b/syntax/extra/fortran.nanorc
index 5e917ed1..d79dc229 100644
--- a/syntax/extra/fortran.nanorc
+++ b/syntax/extra/fortran.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for Fortran 90/95.
 
+## Original author:  Pascal Gentil
+
 syntax fortran "\.(f|for|f90|f95)$"
 comment "!"
 
diff --git a/syntax/extra/povray.nanorc b/syntax/extra/povray.nanorc
index db0a1c44..cee06e01 100644
--- a/syntax/extra/povray.nanorc
+++ b/syntax/extra/povray.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for POV-Ray files.
 
+## Original author:  Donnie Berkholz
+
 syntax pov "\.(pov|POV|povray|POVRAY)$"
 comment "//"
 
diff --git a/syntax/extra/spec.nanorc b/syntax/extra/spec.nanorc
index 8c561fb0..5308c778 100644
--- a/syntax/extra/spec.nanorc
+++ b/syntax/extra/spec.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for RPM spec files.
 
+## Original author:  Asterios Dramis
+
 syntax spec "\.spec(\.[^/]+)?$"
 comment "#"
 
diff --git a/syntax/groff.nanorc b/syntax/groff.nanorc
index 3452cdb5..872d52cd 100644
--- a/syntax/groff.nanorc
+++ b/syntax/groff.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for groff.
 
+## Original author:  Robert D. Goulding
+
 syntax groff "\.(m[ems]|rof|tmac)$|/tmac\.[^/]+$"
 comment ".\""
 
diff --git a/syntax/guile.nanorc b/syntax/guile.nanorc
index 2f231fad..1b398531 100644
--- a/syntax/guile.nanorc
+++ b/syntax/guile.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for Guile Scheme.
 
+## Original author:  Mark Oteiza
+
 syntax guile "\.scm$"
 header "^#!.*guile"
 comment ";"
diff --git a/syntax/man.nanorc b/syntax/man.nanorc
index cdc65f06..06404e00 100644
--- a/syntax/man.nanorc
+++ b/syntax/man.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for man pages.
 
+## Original author:  Mike Frysinger
+
 syntax man "\.[1-9]x?$"
 magic "troff or preprocessor input"
 comment ".\""
diff --git a/syntax/objc.nanorc b/syntax/objc.nanorc
index d45158b7..1fb24ad6 100644
--- a/syntax/objc.nanorc
+++ b/syntax/objc.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for C/C++/Obj-C files.
 
+## Original author:  Dave Geering
+
 syntax m "\.m$"
 magic "Objective-C source"
 comment "//"
diff --git a/syntax/patch.nanorc b/syntax/patch.nanorc
index fb587296..4b4d8714 100644
--- a/syntax/patch.nanorc
+++ b/syntax/patch.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for patch and diff files.
 
+## Original author:  Mike Frysinger
+
 syntax patch "\.(patch|diff|debdiff|rej)$"
 magic "diff output"
 # There is no official support for comments in patch files.
diff --git a/syntax/php.nanorc b/syntax/php.nanorc
index 4acc2f1f..912d5524 100644
--- a/syntax/php.nanorc
+++ b/syntax/php.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for PHP.
 
+## Original author:  Mike Frysinger
+
 syntax php "\.(php[23457s~]?|phtml|ctp)$"
 magic "PHP script"
 comment "//"
diff --git a/syntax/ruby.nanorc b/syntax/ruby.nanorc
index 1f52879e..2a1f2d59 100644
--- a/syntax/ruby.nanorc
+++ b/syntax/ruby.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for Ruby.
 
+## Original author:  John M. Gabriele
+
 syntax ruby "\.rb$"
 header "^#!.*ruby"
 magic "Ruby script"
diff --git a/syntax/sh.nanorc b/syntax/sh.nanorc
index cebea36e..57a6ac48 100644
--- a/syntax/sh.nanorc
+++ b/syntax/sh.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for Bourne shell scripts.
 
+## Original author:  Mike Frysinger
+
 syntax sh "(\.sh|(^|/|\.)(a|ba|c|da|k|mk|pdk|tc|z)sh(rc|_profile)?|(/etc/|(^|/)\.)profile)$"
 header "^#!.*/(((env|busybox)[[:blank:]]+)?(a|ba|c|da|k|mk|pdk|tc|z)?sh|openrc-run|runscript)\>"
 header "-\*-.*shell-script.*-\*-"
diff --git a/syntax/sql.nanorc b/syntax/sql.nanorc
index c8548482..2cadf676 100644
--- a/syntax/sql.nanorc
+++ b/syntax/sql.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for (Postgres) SQL scripts.
 
+## Original author:  Devrim Gündüz
+
 syntax sql "\.sql$"
 comment "-- "
 
diff --git a/syntax/tcl.nanorc b/syntax/tcl.nanorc
index cb3a2643..b6a97076 100644
--- a/syntax/tcl.nanorc
+++ b/syntax/tcl.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for Tcl and Expect scripts.
 
+## Original author:  Mike Frysinger
+
 syntax tcl "\.(tcl|exp)$"
 magic "Tcl(/Tk)? script"
 comment "#"
diff --git a/syntax/xml.nanorc b/syntax/xml.nanorc
index d5e41e44..f8ad3501 100644
--- a/syntax/xml.nanorc
+++ b/syntax/xml.nanorc
@@ -1,5 +1,7 @@
 ## Syntax highlighting for XML files.
 
+## Original author:  Josef Schugt
+
 syntax xml "\.([jrsx]html?|jnlp|mml|pom|rng|sgml?|svg|w[as]dl|wsdd|xjb|xml|xs(d|lt?)|xul)$"
 header "<\?xml.*version=.*\?>"
 magic "(XML|SGML) (sub)?document"