diff --git a/backend/common.c b/backend/common.c
index b3c7eabe..b1978a56 100644
--- a/backend/common.c
+++ b/backend/common.c
@@ -110,7 +110,7 @@ void lookup(const char set_string[], const char *table[], const char data, char
     }
 }
 
-/* Return true (1) if a module is dark/black, orherwise false (0) */
+/* Return true (1) if a module is dark/black, otherwise false (0) */
 int module_is_set(const struct zint_symbol *symbol, const int y_coord, const int x_coord) {
     return (symbol->encoded_data[y_coord][x_coord / 7] >> (x_coord % 7)) & 1;
 }
diff --git a/docs/manual.txt b/docs/manual.txt
index fda2ab3c..98ed3b5f 100644
--- a/docs/manual.txt
+++ b/docs/manual.txt
@@ -1339,7 +1339,7 @@ required. The GTIN check digit and AI (01) are added by Zint.
 
 6.1.11.5 NVE-18
 ---------------
-A variation of Code 128 the "Nummber der Versandeinheit" standard includes both 
+A variation of Code 128 the "Nummer der Versandeinheit" standard includes both 
 modulo-10 and modulo-103 check digits. NVE-18 requires a 17 digit numerical 
 input and check digits are added by Zint.
 
@@ -2992,4 +2992,4 @@ Identifier   |  (AI and Data Field)
 ------------------------------------
 
 [1] This information taken from Wikipedia (http://en.wikipedia.org/wiki/GS1) and 
-used under the terms of the GNU Free Documentation License . 
\ No newline at end of file
+used under the terms of the GNU Free Documentation License .