diff --git a/c/dsl/function_manager.c b/c/dsl/function_manager.c
index add459b81..6d2ecb576 100644
--- a/c/dsl/function_manager.c
+++ b/c/dsl/function_manager.c
@@ -372,7 +372,7 @@ static function_lookup_t FUNCTION_LOOKUP_TABLE[] = {
 	{FUNC_CLASS_CONVERSION, "float",       1,0, "Convert int/float/bool/string to float."},
 	{FUNC_CLASS_CONVERSION, "fmtnum",    2,0,
 		"Convert int/float/bool to string using\n"
-		"printf-style format string, e.g. '$s = fmtnum($n, \"%06lld\")'. WARNING: Miller numbers"
+		"printf-style format string, e.g. '$s = fmtnum($n, \"%06lld\")'. WARNING: Miller numbers\n"
 		"are all long long or double. If you use formats like %d or %f, behavior is undefined."},
 	{FUNC_CLASS_CONVERSION, "hexfmt",    1,0, "Convert int to string, e.g. 255 to \"0xff\"."},
 	{FUNC_CLASS_CONVERSION, "int",       1,0, "Convert int/float/bool/string to int."},
diff --git a/doc/manpage.html b/doc/manpage.html
index c69468673..ca7fe8b27 100644
--- a/doc/manpage.html
+++ b/doc/manpage.html
@@ -1799,7 +1799,8 @@ FUNCTIONS FOR FILTER/PUT
 
    fmtnum
        (class=conversion #args=2): Convert int/float/bool to string using
-       printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbersare all long long or double. If you use formats like %d or %f, behavior is undefined.
+       printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbers
+       are all long long or double. If you use formats like %d or %f, behavior is undefined.
 
    hexfmt
        (class=conversion #args=1): Convert int to string, e.g. 255 to "0xff".
diff --git a/doc/manpage.txt b/doc/manpage.txt
index 09e6aa043..1ec9684dc 100644
--- a/doc/manpage.txt
+++ b/doc/manpage.txt
@@ -1606,7 +1606,8 @@ FUNCTIONS FOR FILTER/PUT
 
    fmtnum
        (class=conversion #args=2): Convert int/float/bool to string using
-       printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbersare all long long or double. If you use formats like %d or %f, behavior is undefined.
+       printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbers
+       are all long long or double. If you use formats like %d or %f, behavior is undefined.
 
    hexfmt
        (class=conversion #args=1): Convert int to string, e.g. 255 to "0xff".
diff --git a/doc/mlr.1 b/doc/mlr.1
index fcc328fd0..9720d71aa 100644
--- a/doc/mlr.1
+++ b/doc/mlr.1
@@ -2710,7 +2710,8 @@ empty-string) value, else throws an error.
 .\}
 .nf
 (class=conversion #args=2): Convert int/float/bool to string using
-printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbersare all long long or double. If you use formats like %d or %f, behavior is undefined.
+printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbers
+are all long long or double. If you use formats like %d or %f, behavior is undefined.
 .fi
 .if n \{\
 .RE
diff --git a/doc/reference-dsl.html b/doc/reference-dsl.html
index e4a58b2bd..d1facf5db 100644
--- a/doc/reference-dsl.html
+++ b/doc/reference-dsl.html
@@ -4378,7 +4378,8 @@ floor (class=math #args=1): Floor: nearest integer at or below.
 <div class="pokipanel">
 <pre>
 fmtnum (class=conversion #args=2): Convert int/float/bool to string using
-printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbersare all long long or double. If you use formats like %d or %f, behavior is undefined.
+printf-style format string, e.g. '$s = fmtnum($n, "%06lld")'. WARNING: Miller numbers
+are all long long or double. If you use formats like %d or %f, behavior is undefined.
 </pre>
 </div>