diff --git a/asm/error.c b/asm/error.c
index 1e241c7b..e5a03718 100644
--- a/asm/error.c
+++ b/asm/error.c
@@ -165,7 +165,7 @@ void reset_warnings(void)
 
 /*
  * This is called when processing a -w or -W option, or a warning directive.
- * Returns on if if the action was successful.
+ * Returns ok if the action was successful.
  *
  * Special pseudo-warnings:
  *
diff --git a/asm/parser.c b/asm/parser.c
index 7950dd7b..d3956572 100644
--- a/asm/parser.c
+++ b/asm/parser.c
@@ -141,7 +141,7 @@ static void process_size_override(insn *result, operand *op)
 }
 
 /*
- * Braced keywords are are parsed here.  opmask and zeroing
+ * Braced keywords are parsed here.  opmask and zeroing
  * decorators can be placed in any order.  e.g. zmm1 {k2}{z} or zmm2
  * {z}{k3} decorator(s) are placed at the end of an operand.
  */
diff --git a/asm/pragma.c b/asm/pragma.c
index 42c15ee9..0049c069 100644
--- a/asm/pragma.c
+++ b/asm/pragma.c
@@ -276,7 +276,7 @@ void process_pragma(char *str)
 
     /*
      * Search the global pragma namespaces. This is done
-     * as a loop rather than than letting search_pragma_list()
+     * as a loop rather than letting search_pragma_list()
      * just run, because we don't want to keep searching if
      * we have a facility match, thus we want to call
      * search_pragma_list() individually for each namespace.
diff --git a/asm/preproc.c b/asm/preproc.c
index 10586bb9..9555aacd 100644
--- a/asm/preproc.c
+++ b/asm/preproc.c
@@ -5908,7 +5908,7 @@ static Token *expand_smacro_noreset(Token *org_tline)
         Token **tail = &tline;
 
         /*
-         * We hold warnings/errors until we are done this this loop. It is
+         * We hold warnings/errors until we are done in this loop. It is
          * possible for nuisance warnings to appear that disappear on later
          * passes.
          */
diff --git a/output/outelf.c b/output/outelf.c
index d8f0f74b..85ff7832 100644
--- a/output/outelf.c
+++ b/output/outelf.c
@@ -2824,7 +2824,7 @@ static void stabs_generate(void)
     if (ptr) {
         /*
          * this is the first stab, its strx points to the filename of the
-         * the source-file, the n_desc field should be set to the number
+         * source-file, the n_desc field should be set to the number
          * of remaining stabs
          */
         WRITE_STAB(sptr, fileidx[0], 0, 0, 0, stabstrlen);